125138132575 has 12 divisors (see below), whose sum is σ = 158955951168. Its totient is φ = 97668785600.

The previous prime is 125138132549. The next prime is 125138132597. The reversal of 125138132575 is 575231831521.

It is a de Polignac number, because none of the positive numbers 2^k-125138132575 is a prime.

It is a super-2 number, since 2×125138132575² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61041967 + ... + 61044016.

It is an arithmetic number, because the mean of its divisors is an integer number (13246329264).

Almost surely, 2^125138132575 is an apocalyptic number.

125138132575 is a deficient number, since it is larger than the sum of its proper divisors (33817818593).

125138132575 is a wasteful number, since it uses less digits than its factorization.

125138132575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122086034 (or 122086029 counting only the distinct ones).

The product of its digits is 252000, while the sum is 43.

The spelling of 125138132575 in words is "one hundred twenty-five billion, one hundred thirty-eight million, one hundred thirty-two thousand, five hundred seventy-five".