25113077868 has 24 divisors (see below), whose sum is σ = 58657556160. Its totient is φ = 8362401040.

The previous prime is 25113077839. The next prime is 25113077893. The reversal of 25113077868 is 86877031152.

It is a happy 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, 1065978 + ... + 1089281.

It is an arithmetic number, because the mean of its divisors is an integer number (2444064840).

Almost surely, 2^25113077868 is an apocalyptic number.

It is an amenable number.

25113077868 is an abundant number, since it is smaller than the sum of its proper divisors (33544478292).

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

25113077868 is a wasteful number, since it uses less digits than its factorization.

25113077868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156237 (or 2156235 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 25113077868 in words is "twenty-five billion, one hundred thirteen million, seventy-seven thousand, eight hundred sixty-eight".