125557118323 has 16 divisors (see below), whose sum is σ = 154734987456. Its totient is φ = 99211299840.

The previous prime is 125557118293. The next prime is 125557118387. The reversal of 125557118323 is 323811755521.

It is a cyclic number.

It is not a de Polignac number, because 125557118323 - 2²⁹ = 125020247411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125557118323.

It is not an unprimeable number, because it can be changed into a prime (125557118123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837286 + ... + 975787.

It is an arithmetic number, because the mean of its divisors is an integer number (9670936716).

Almost surely, 2^125557118323 is an apocalyptic number.

125557118323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125557118323 is a deficient number, since it is larger than the sum of its proper divisors (29177869133).

125557118323 is a wasteful number, since it uses less digits than its factorization.

125557118323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813854.

The product of its digits is 252000, while the sum is 43.

The spelling of 125557118323 in words is "one hundred twenty-five billion, five hundred fifty-seven million, one hundred eighteen thousand, three hundred twenty-three".