12616553355 has 32 divisors (see below), whose sum is σ = 23145475584. Its totient is φ = 5748765696.

The previous prime is 12616553351. The next prime is 12616553363. The reversal of 12616553355 is 55335561621.

It is not a de Polignac number, because 12616553355 - 2² = 12616553351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12616553351) 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, 163462 + ... + 227931.

It is an arithmetic number, because the mean of its divisors is an integer number (723296112).

Almost surely, 2^12616553355 is an apocalyptic number.

12616553355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12616553355 is a deficient number, since it is larger than the sum of its proper divisors (10528922229).

12616553355 is a wasteful number, since it uses less digits than its factorization.

12616553355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391715.

The product of its digits is 405000, while the sum is 42.

The spelling of 12616553355 in words is "twelve billion, six hundred sixteen million, five hundred fifty-three thousand, three hundred fifty-five".