1250138763875 has 32 divisors (see below), whose sum is σ = 1567212192000. Its totient is φ = 995601600000.

The previous prime is 1250138763851. The next prime is 1250138763901. The reversal of 1250138763875 is 5783678310521.

It is not a de Polignac number, because 1250138763875 - 2⁸ = 1250138763619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1250138763875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138884375 + ... + 138893375.

It is an arithmetic number, because the mean of its divisors is an integer number (48975381000).

Almost surely, 2^{1250138763875} is an apocalyptic number.

1250138763875 is a deficient number, since it is larger than the sum of its proper divisors (317073428125).

1250138763875 is an equidigital number, since it uses as much as digits as its factorization.

1250138763875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13904 (or 13894 counting only the distinct ones).

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

It can be divided in two parts, 125013 and 8763875, that added together give a palindrome (8888888).

The spelling of 1250138763875 in words is "one trillion, two hundred fifty billion, one hundred thirty-eight million, seven hundred sixty-three thousand, eight hundred seventy-five".