25059558016 has 64 divisors (see below), whose sum is σ = 53264122560. Its totient is φ = 11702579200.

The previous prime is 25059557969. The next prime is 25059558031. The reversal of 25059558016 is 61085595052.

It is a tau number, because it is divible by the number of its divisors (64).

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, 241101 + ... + 329011.

It is an arithmetic number, because the mean of its divisors is an integer number (832251915).

Almost surely, 2^25059558016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25059558016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26632061280).

25059558016 is an abundant number, since it is smaller than the sum of its proper divisors (28204564544).

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

25059558016 is a wasteful number, since it uses less digits than its factorization.

25059558016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88073 (or 88061 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 46.

The spelling of 25059558016 in words is "twenty-five billion, fifty-nine million, five hundred fifty-eight thousand, sixteen".