125140137775 has 24 divisors (see below), whose sum is σ = 167401700784. Its totient is φ = 92445350400.

The previous prime is 125140137767. The next prime is 125140137791. The reversal of 125140137775 is 577731041521.

It is not a de Polignac number, because 125140137775 - 2³ = 125140137767 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 2755281 + ... + 2800330.

It is an arithmetic number, because the mean of its divisors is an integer number (6975070866).

Almost surely, 2^125140137775 is an apocalyptic number.

125140137775 is a deficient number, since it is larger than the sum of its proper divisors (42261563009).

125140137775 is a wasteful number, since it uses less digits than its factorization.

125140137775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555691 (or 5555686 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 125140137775 in words is "one hundred twenty-five billion, one hundred forty million, one hundred thirty-seven thousand, seven hundred seventy-five".