11451303154512 has 320 divisors, whose sum is σ = 36916523857920. Its totient is φ = 3374659584000.

The previous prime is 11451303154483. The next prime is 11451303154519. The reversal of 11451303154512 is 21545130315411.

11451303154512 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 130 + 3 + 1 + 5 + 4 + 512 = 666.

11451303154512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11451303154512² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11451303154519) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16548262 + ... + 17226362.

It is an arithmetic number, because the mean of its divisors is an integer number (115364137056).

Almost surely, 2^{11451303154512} is an apocalyptic number.

11451303154512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11451303154512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18458261928960).

11451303154512 is an abundant number, since it is smaller than the sum of its proper divisors (25465220703408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11451303154512 is a wasteful number, since it uses less digits than its factorization.

11451303154512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678259 (or 678247 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 11451303154512 its reverse (21545130315411), we get a palindrome (32996433469923).

The spelling of 11451303154512 in words is "eleven trillion, four hundred fifty-one billion, three hundred three million, one hundred fifty-four thousand, five hundred twelve".