15155011056 has 40 divisors (see below), whose sum is σ = 40105339344. Its totient is φ = 4928458240.

The previous prime is 15155011049. The next prime is 15155011061. The reversal of 15155011056 is 65011055151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3848391 + ... + 3852326.

Almost surely, 2^15155011056 is an apocalyptic number.

15155011056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15155011056 is an abundant number, since it is smaller than the sum of its proper divisors (24950328288).

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

15155011056 is a wasteful number, since it uses less digits than its factorization.

15155011056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700769 (or 7700763 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 15155011056 in words is "fifteen billion, one hundred fifty-five million, eleven thousand, fifty-six".