25618060508992 has 84 divisors (see below), whose sum is σ = 59173030325280. Its totient is φ = 10972213426944.

The previous prime is 25618060508959. The next prime is 25618060509007. The reversal of 25618060508992 is 29980506081652.

It is a super-2 number, since 2×25618060508992² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25618060508992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2364973 + ... + 7538515.

Almost surely, 2^{25618060508992} 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 25618060508992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29586515162640).

25618060508992 is an abundant number, since it is smaller than the sum of its proper divisors (33554969816288).

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

25618060508992 is a wasteful number, since it uses less digits than its factorization.

25618060508992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175148 (or 5175131 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 61.

The spelling of 25618060508992 in words is "twenty-five trillion, six hundred eighteen billion, sixty million, five hundred eight thousand, nine hundred ninety-two".