15011551450256 has 40 divisors (see below), whose sum is σ = 29270487759360. Its totient is φ = 7458014640384.

The previous prime is 15011551450237. The next prime is 15011551450261. The reversal of 15011551450256 is 65205415511051.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2547416 + ... + 6042551.

It is an arithmetic number, because the mean of its divisors is an integer number (731762193984).

Almost surely, 2^{15011551450256} is an apocalyptic number.

15011551450256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15011551450256 is a deficient number, since it is larger than the sum of its proper divisors (14258936309104).

15011551450256 is a wasteful number, since it uses less digits than its factorization.

15011551450256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8590671 (or 8590665 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 41.

The spelling of 15011551450256 in words is "fifteen trillion, eleven billion, five hundred fifty-one million, four hundred fifty thousand, two hundred fifty-six".