25113530164 has 12 divisors (see below), whose sum is σ = 44294731264. Its totient is φ = 12457892664.

The previous prime is 25113530159. The next prime is 25113530179. The reversal of 25113530164 is 46103531152.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 24717534 + ... + 24718549.

Almost surely, 2^25113530164 is an apocalyptic number.

It is an amenable number.

25113530164 is a deficient number, since it is larger than the sum of its proper divisors (19181201100).

25113530164 is a wasteful number, since it uses less digits than its factorization.

25113530164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49436214 (or 49436212 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 25113530164 in words is "twenty-five billion, one hundred thirteen million, five hundred thirty thousand, one hundred sixty-four".