25803899467520 has 72 divisors (see below), whose sum is σ = 61811260936656. Its totient is φ = 10321082523648.

The previous prime is 25803899467501. The next prime is 25803899467537. The reversal of 25803899467520 is 2576499830852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27900839 + ... + 28810841.

Almost surely, 2^{25803899467520} is an apocalyptic number.

25803899467520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25803899467520 is an abundant number, since it is smaller than the sum of its proper divisors (36007361469136).

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

25803899467520 is an equidigital number, since it uses as much as digits as its factorization.

25803899467520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932177 (or 932163 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 68.

The spelling of 25803899467520 in words is "twenty-five trillion, eight hundred three billion, eight hundred ninety-nine million, four hundred sixty-seven thousand, five hundred twenty".