25355252356 has 24 divisors (see below), whose sum is σ = 50920935296. Its totient is φ = 10821444480.

The previous prime is 25355252347. The next prime is 25355252381. The reversal of 25355252356 is 65325255352.

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 7 ways as a sum of consecutive naturals, for example, 1871976 + ... + 1885471.

Almost surely, 2^25355252356 is an apocalyptic number.

It is an amenable number.

25355252356 is an abundant number, since it is smaller than the sum of its proper divisors (25565682940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25355252356 is a wasteful number, since it uses less digits than its factorization.

25355252356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757699 (or 3757697 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 43.

The spelling of 25355252356 in words is "twenty-five billion, three hundred fifty-five million, two hundred fifty-two thousand, three hundred fifty-six".