125555792592 has 80 divisors (see below), whose sum is σ = 339363243648. Its totient is φ = 39924825600.

The previous prime is 125555792591. The next prime is 125555792641. The reversal of 125555792592 is 295297555521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125555792591) 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, 259342 + ... + 564242.

Almost surely, 2^125555792592 is an apocalyptic number.

125555792592 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 125555792592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169681621824).

125555792592 is an abundant number, since it is smaller than the sum of its proper divisors (213807451056).

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

125555792592 is a wasteful number, since it uses less digits than its factorization.

125555792592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305308 (or 305302 counting only the distinct ones).

The product of its digits is 14175000, while the sum is 57.

The spelling of 125555792592 in words is "one hundred twenty-five billion, five hundred fifty-five million, seven hundred ninety-two thousand, five hundred ninety-two".