11451511051032 has 128 divisors (see below), whose sum is σ = 30908388188160. Its totient is φ = 3514706764800.

The previous prime is 11451511050979. The next prime is 11451511051039. The reversal of 11451511051032 is 23015011515411.

It is a super-2 number, since 2×11451511051032² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11451511051039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221546263 + ... + 221597945.

It is an arithmetic number, because the mean of its divisors is an integer number (241471782720).

Almost surely, 2^{11451511051032} is an apocalyptic number.

11451511051032 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 11451511051032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15454194094080).

11451511051032 is an abundant number, since it is smaller than the sum of its proper divisors (19456877137128).

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

11451511051032 is a wasteful number, since it uses less digits than its factorization.

11451511051032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53473 (or 53469 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 30.

Adding to 11451511051032 its reverse (23015011515411), we get a palindrome (34466522566443).

The spelling of 11451511051032 in words is "eleven trillion, four hundred fifty-one billion, five hundred eleven million, fifty-one thousand, thirty-two".