25513326080 has 80 divisors (see below), whose sum is σ = 66733367184. Its totient is φ = 9277562880.

The previous prime is 25513326073. The next prime is 25513326107. The reversal of 25513326080 is 8062331552.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 25513326080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424847 + ... + 481166.

Almost surely, 2^25513326080 is an apocalyptic number.

25513326080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25513326080 is an abundant number, since it is smaller than the sum of its proper divisors (41220041104).

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

25513326080 is an equidigital number, since it uses as much as digits as its factorization.

25513326080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906047 (or 906031 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 25513326080 in words is "twenty-five billion, five hundred thirteen million, three hundred twenty-six thousand, eighty".