25215033996 has 48 divisors (see below), whose sum is σ = 66179398880. Its totient is φ = 8405008416.

The previous prime is 25215033967. The next prime is 25215034037. The reversal of 25215033996 is 69933051252.

25215033996 is a `hidden beast` number, since 2 + 5 + 21 + 503 + 39 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432441 + ... + 1449936.

Almost surely, 2^25215033996 is an apocalyptic number.

It is an amenable number.

25215033996 is an abundant number, since it is smaller than the sum of its proper divisors (40964364884).

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

25215033996 is an equidigital number, since it uses as much as digits as its factorization.

25215033996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882402 (or 2882382 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

It can be divided in two parts, 252150 and 33996, that added together give a triangular number (286146 = T₇₅₆).

The spelling of 25215033996 in words is "twenty-five billion, two hundred fifteen million, thirty-three thousand, nine hundred ninety-six".