1251250013875 has 8 divisors (see below), whose sum is σ = 1561560017472. Its totient is φ = 1001000011000.

The previous prime is 1251250013837. The next prime is 1251250013911. The reversal of 1251250013875 is 5783100521521.

It is a happy number.

It is not a de Polignac number, because 1251250013875 - 2¹⁹ = 1251249489587 is a prime.

It is a Duffinian number.

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, 5004999931 + ... + 5005000180.

It is an arithmetic number, because the mean of its divisors is an integer number (195195002184).

Almost surely, 2^{1251250013875} is an apocalyptic number.

1251250013875 is a deficient number, since it is larger than the sum of its proper divisors (310310003597).

1251250013875 is an equidigital number, since it uses as much as digits as its factorization.

1251250013875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010000126 (or 10010000116 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 1251250013875 in words is "one trillion, two hundred fifty-one billion, two hundred fifty million, thirteen thousand, eight hundred seventy-five".