125138875265 has 16 divisors (see below), whose sum is σ = 151723514880. Its totient is φ = 99074107200.

The previous prime is 125138875261. The next prime is 125138875271. The reversal of 125138875265 is 562578831521.

It is not a de Polignac number, because 125138875265 - 2² = 125138875261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125138875261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058396 + ... + 1170674.

It is an arithmetic number, because the mean of its divisors is an integer number (9482719680).

Almost surely, 2^125138875265 is an apocalyptic number.

It is an amenable number.

125138875265 is a deficient number, since it is larger than the sum of its proper divisors (26584639615).

125138875265 is a wasteful number, since it uses less digits than its factorization.

125138875265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114592.

The product of its digits is 4032000, while the sum is 53.

The spelling of 125138875265 in words is "one hundred twenty-five billion, one hundred thirty-eight million, eight hundred seventy-five thousand, two hundred sixty-five".