12373657155 has 12 divisors (see below), whose sum is σ = 21447672480. Its totient is φ = 6599283792.

The previous prime is 12373657123. The next prime is 12373657199. The reversal of 12373657155 is 55175637321.

12373657155 is a `hidden beast` number, since 1 + 2 + 3 + 73 + 6 + 571 + 5 + 5 = 666.

It is not a de Polignac number, because 12373657155 - 2⁵ = 12373657123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 274970159 = 12373657155 / (1 + 2 + 3 + 7 + 3 + 6 + 5 + 7 + 1 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 12373657155.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137485035 + ... + 137485124.

It is an arithmetic number, because the mean of its divisors is an integer number (1787306040).

Almost surely, 2^12373657155 is an apocalyptic number.

12373657155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12373657155 is a deficient number, since it is larger than the sum of its proper divisors (9074015325).

12373657155 is a wasteful number, since it uses less digits than its factorization.

12373657155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274970170 (or 274970167 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The spelling of 12373657155 in words is "twelve billion, three hundred seventy-three million, six hundred fifty-seven thousand, one hundred fifty-five".