125132637696 has 160 divisors (see below), whose sum is σ = 364032700416. Its totient is φ = 37880832000.

The previous prime is 125132637671. The next prime is 125132637739. The reversal of 125132637696 is 696736231521.

It is a happy number.

It is a congruent number.

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, 19951041 + ... + 19957311.

Almost surely, 2^125132637696 is an apocalyptic number.

125132637696 is a gapful number since it is divisible by the number (16) 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 125132637696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182016350208).

125132637696 is an abundant number, since it is smaller than the sum of its proper divisors (238900062720).

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

125132637696 is a wasteful number, since it uses less digits than its factorization.

125132637696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484 (or 7468 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 51.

The spelling of 125132637696 in words is "one hundred twenty-five billion, one hundred thirty-two million, six hundred thirty-seven thousand, six hundred ninety-six".