125655789312 has 108 divisors (see below), whose sum is σ = 362407589544. Its totient is φ = 41872435200.

The previous prime is 125655789253. The next prime is 125655789313. The reversal of 125655789312 is 213987556521.

125655789312 is a `hidden beast` number, since 1 + 2 + 5 + 6 + 557 + 89 + 3 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125655789313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10248978 + ... + 10261230.

Almost surely, 2^125655789312 is an apocalyptic number.

125655789312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125655789312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181203794772).

125655789312 is an abundant number, since it is smaller than the sum of its proper divisors (236751800232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125655789312 is a wasteful number, since it uses less digits than its factorization.

125655789312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16726 (or 16709 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The spelling of 125655789312 in words is "one hundred twenty-five billion, six hundred fifty-five million, seven hundred eighty-nine thousand, three hundred twelve".