25096804985 has 16 divisors (see below), whose sum is σ = 34422575616. Its totient is φ = 17207187648.

The previous prime is 25096804979. The next prime is 25096805009. The reversal of 25096804985 is 58940869052.

It is not a de Polignac number, because 25096804985 - 2¹⁶ = 25096739449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25096804985.

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, 292304 + ... + 368286.

It is an arithmetic number, because the mean of its divisors is an integer number (2151410976).

Almost surely, 2^25096804985 is an apocalyptic number.

It is an amenable number.

25096804985 is a deficient number, since it is larger than the sum of its proper divisors (9325770631).

25096804985 is an equidigital number, since it uses as much as digits as its factorization.

25096804985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85432.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 25096804985 in words is "twenty-five billion, ninety-six million, eight hundred four thousand, nine hundred eighty-five".