25985377358952 has 64 divisors (see below), whose sum is σ = 72070384089600. Its totient is φ = 7740893096640.

The previous prime is 25985377358881. The next prime is 25985377358971.

25985377358952 is nontrivially palindromic in base 10.

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, 834132388 + ... + 834163539.

It is an arithmetic number, because the mean of its divisors is an integer number (1126099751400).

Almost surely, 2^{25985377358952} is an apocalyptic number.

25985377358952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25985377358952 is an abundant number, since it is smaller than the sum of its proper divisors (46085006730648).

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

25985377358952 is a wasteful number, since it uses less digits than its factorization.

25985377358952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668296006 (or 1668296002 counting only the distinct ones).

The product of its digits is 5715360000, while the sum is 78.

The spelling of 25985377358952 in words is "twenty-five trillion, nine hundred eighty-five billion, three hundred seventy-seven million, three hundred fifty-eight thousand, nine hundred fifty-two".