15512657055 has 32 divisors (see below), whose sum is σ = 28371030528. Its totient is φ = 7090243200.

The previous prime is 15512656997. The next prime is 15512657057. The reversal of 15512657055 is 55075621551.

It is not a de Polignac number, because 15512657055 - 2⁹ = 15512656543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15512656998 and 15512657016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15512657057) 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, 854220 + ... + 872190.

It is an arithmetic number, because the mean of its divisors is an integer number (886594704).

Almost surely, 2^15512657055 is an apocalyptic number.

15512657055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15512657055 is a deficient number, since it is larger than the sum of its proper divisors (12858373473).

15512657055 is a wasteful number, since it uses less digits than its factorization.

15512657055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26207.

The product of its (nonzero) digits is 262500, while the sum is 42.

The spelling of 15512657055 in words is "fifteen billion, five hundred twelve million, six hundred fifty-seven thousand, fifty-five".