25995252890916 has 135 divisors (see below), whose sum is σ = 68360479149963. Its totient is φ = 8613905011920.

The previous prime is 25995252890863. The next prime is 25995252890917. The reversal of 25995252890916 is 61909825259952.

The square root of 25995252890916 is 5098554.

It is a perfect power (a square), and thus also a powerful number.

25995252890916 is a `hidden beast` number, since 2 + 5 + 9 + 9 + 5 + 2 + 528 + 9 + 0 + 91 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (25995252890917) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 17528827911 + ... + 17528829393.

Almost surely, 2^{25995252890916} is an apocalyptic number.

25995252890916 is the 5098554-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25995252890916

25995252890916 is an abundant number, since it is smaller than the sum of its proper divisors (42365226259047).

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

25995252890916 is an frugal number, since it uses more digits than its factorization.

25995252890916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 314928000, while the sum is 72.

The spelling of 25995252890916 in words is "twenty-five trillion, nine hundred ninety-five billion, two hundred fifty-two million, eight hundred ninety thousand, nine hundred sixteen".