125725772202540 has 96 divisors (see below), whose sum is σ = 371042357273280. Its totient is φ = 31760004197376.

The previous prime is 125725772202539. The next prime is 125725772202553. The reversal of 125725772202540 is 45202277527521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681569959 + ... + 681754398.

It is an arithmetic number, because the mean of its divisors is an integer number (3865024554930).

Almost surely, 2^{125725772202540} is an apocalyptic number.

125725772202540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125725772202540 is an abundant number, since it is smaller than the sum of its proper divisors (245316585070740).

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

125725772202540 is a wasteful number, since it uses less digits than its factorization.

125725772202540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363324451 (or 1363324449 counting only the distinct ones).

The product of its (nonzero) digits is 5488000, while the sum is 51.

The spelling of 125725772202540 in words is "one hundred twenty-five trillion, seven hundred twenty-five billion, seven hundred seventy-two million, two hundred two thousand, five hundred forty".