25202742212275 has 12 divisors (see below), whose sum is σ = 31251482359704. Its totient is φ = 20162140856000.

The previous prime is 25202742212177. The next prime is 25202742212317. The reversal of 25202742212275 is 57221224720252.

It is a happy number.

It is not a de Polignac number, because 25202742212275 - 2²⁷ = 25202607994547 is a prime.

It is a super-2 number, since 2×25202742212275² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10446960 + ... + 12631090.

It is an arithmetic number, because the mean of its divisors is an integer number (2604290196642).

Almost surely, 2^{25202742212275} is an apocalyptic number.

25202742212275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25202742212275 is a deficient number, since it is larger than the sum of its proper divisors (6048740147429).

25202742212275 is a wasteful number, since it uses less digits than its factorization.

25202742212275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645702 (or 2645697 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 43.

The spelling of 25202742212275 in words is "twenty-five trillion, two hundred two billion, seven hundred forty-two million, two hundred twelve thousand, two hundred seventy-five".