1252501375251 has 16 divisors (see below), whose sum is σ = 1913609350400. Its totient is φ = 713826636768.

The previous prime is 1252501375187. The next prime is 1252501375261. The reversal of 1252501375251 is 1525731052521.

It is not a de Polignac number, because 1252501375251 - 2⁶ = 1252501375187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252501375261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78676636 + ... + 78692553.

It is an arithmetic number, because the mean of its divisors is an integer number (119600584400).

Almost surely, 2^{1252501375251} is an apocalyptic number.

1252501375251 is a deficient number, since it is larger than the sum of its proper divisors (661107975149).

1252501375251 is a wasteful number, since it uses less digits than its factorization.

1252501375251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157369578.

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 1252501375251 in words is "one trillion, two hundred fifty-two billion, five hundred one million, three hundred seventy-five thousand, two hundred fifty-one".