25265014998 has 32 divisors (see below), whose sum is σ = 51776202240. Its totient is φ = 8214085440.

The previous prime is 25265014981. The next prime is 25265015003. The reversal of 25265014998 is 89941056252.

It is a self number, because there is not a number n which added to its sum of digits gives 25265014998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100311 + ... + 1123037.

It is an arithmetic number, because the mean of its divisors is an integer number (1618006320).

Almost surely, 2^25265014998 is an apocalyptic number.

25265014998 is an abundant number, since it is smaller than the sum of its proper divisors (26511187242).

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

25265014998 is a wasteful number, since it uses less digits than its factorization.

25265014998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27292.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 25265014998 in words is "twenty-five billion, two hundred sixty-five million, fourteen thousand, nine hundred ninety-eight".