125138763875 has 8 divisors (see below), whose sum is σ = 156173177472. Its totient is φ = 100111011000.

The previous prime is 125138763863. The next prime is 125138763913. The reversal of 125138763875 is 578367831521.

It is not a de Polignac number, because 125138763875 - 2¹⁴ = 125138747491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125138763875.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500554931 + ... + 500555180.

It is an arithmetic number, because the mean of its divisors is an integer number (19521647184).

Almost surely, 2^125138763875 is an apocalyptic number.

125138763875 is a deficient number, since it is larger than the sum of its proper divisors (31034413597).

125138763875 is an equidigital number, since it uses as much as digits as its factorization.

125138763875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001110126 (or 1001110116 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 56.

The spelling of 125138763875 in words is "one hundred twenty-five billion, one hundred thirty-eight million, seven hundred sixty-three thousand, eight hundred seventy-five".