11151505256 has 96 divisors (see below), whose sum is σ = 22583009280. Its totient is φ = 5156524800.

The previous prime is 11151505229. The next prime is 11151505271. The reversal of 11151505256 is 65250515111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26487926 + ... + 26488346.

It is an arithmetic number, because the mean of its divisors is an integer number (235239680).

Almost surely, 2^11151505256 is an apocalyptic number.

It is an amenable number.

11151505256 is an abundant number, since it is smaller than the sum of its proper divisors (11431504024).

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

11151505256 is a wasteful number, since it uses less digits than its factorization.

11151505256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 32.

The spelling of 11151505256 in words is "eleven billion, one hundred fifty-one million, five hundred five thousand, two hundred fifty-six".