125925918239 has 8 divisors (see below), whose sum is σ = 139424083968. Its totient is φ = 112769478360.

The previous prime is 125925918221. The next prime is 125925918253. The reversal of 125925918239 is 932819529521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125925918239 - 2⁸ = 125925917983 is a prime.

It is a super-2 number, since 2×125925918239² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125925918539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85430687 + ... + 85432160.

It is an arithmetic number, because the mean of its divisors is an integer number (17428010496).

Almost surely, 2^125925918239 is an apocalyptic number.

125925918239 is a deficient number, since it is larger than the sum of its proper divisors (13498165729).

125925918239 is a wasteful number, since it uses less digits than its factorization.

125925918239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170862925.

The product of its digits is 3499200, while the sum is 56.

The spelling of 125925918239 in words is "one hundred twenty-five billion, nine hundred twenty-five million, nine hundred eighteen thousand, two hundred thirty-nine".