11151051450 has 384 divisors, whose sum is σ = 35552010240. Its totient is φ = 2265120000.

The previous prime is 11151051449. The next prime is 11151051463. The reversal of 11151051450 is 5415015111.

11151051450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11151051450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 110406400 + ... + 110406500.

It is an arithmetic number, because the mean of its divisors is an integer number (92583360).

Almost surely, 2^11151051450 is an apocalyptic number.

11151051450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11151051450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17776005120).

11151051450 is an abundant number, since it is smaller than the sum of its proper divisors (24400958790).

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

11151051450 is a wasteful number, since it uses less digits than its factorization.

11151051450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 11151051450 its reverse (5415015111), we get a palindrome (16566066561).

The spelling of 11151051450 in words is "eleven billion, one hundred fifty-one million, fifty-one thousand, four hundred fifty".