25801460953552 has 40 divisors (see below), whose sum is σ = 51769196496864. Its totient is φ = 12448897636224.

The previous prime is 25801460953549. The next prime is 25801460953579. The reversal of 25801460953552 is 25535906410852.

It is a super-2 number, since 2×25801460953552² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25801460953493 and 25801460953502.

It is a congruent 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, 225859303 + ... + 225973510.

Almost surely, 2^{25801460953552} is an apocalyptic number.

It is an amenable number.

25801460953552 is an abundant number, since it is smaller than the sum of its proper divisors (25967735543312).

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

25801460953552 is a wasteful number, since it uses less digits than its factorization.

25801460953552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451832947 (or 451832941 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 55.

The spelling of 25801460953552 in words is "twenty-five trillion, eight hundred one billion, four hundred sixty million, nine hundred fifty-three thousand, five hundred fifty-two".