25954076128 has 24 divisors (see below), whose sum is σ = 51816769200. Its totient is φ = 12794261760.

The previous prime is 25954076119. The next prime is 25954076167. The reversal of 25954076128 is 82167045952.

It is a super-2 number, since 2×25954076128² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5709453 + ... + 5713996.

It is an arithmetic number, because the mean of its divisors is an integer number (2159032050).

Almost surely, 2^25954076128 is an apocalyptic number.

It is an amenable number.

25954076128 is a deficient number, since it is larger than the sum of its proper divisors (25862693072).

25954076128 is a wasteful number, since it uses less digits than its factorization.

25954076128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423530 (or 11423522 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 25954076128 in words is "twenty-five billion, nine hundred fifty-four million, seventy-six thousand, one hundred twenty-eight".