12613544155 has 16 divisors (see below), whose sum is σ = 16038432000. Its totient is φ = 9496418400.

The previous prime is 12613544137. The next prime is 12613544173. The reversal of 12613544155 is 55144531621.

It is an interprime number because it is at equal distance from previous prime (12613544137) and next prime (12613544173).

It is not a de Polignac number, because 12613544155 - 2⁵ = 12613544123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425305 + ... + 453994.

It is an arithmetic number, because the mean of its divisors is an integer number (1002402000).

Almost surely, 2^12613544155 is an apocalyptic number.

12613544155 is a deficient number, since it is larger than the sum of its proper divisors (3424887845).

12613544155 is a wasteful number, since it uses less digits than its factorization.

12613544155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879474.

The product of its digits is 72000, while the sum is 37.

The spelling of 12613544155 in words is "twelve billion, six hundred thirteen million, five hundred forty-four thousand, one hundred fifty-five".