25395133056 has 64 divisors (see below), whose sum is σ = 68599202400. Its totient is φ = 8321561600.

The previous prime is 25395133051. The next prime is 25395133063. The reversal of 25395133056 is 65033159352.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×25395133056³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25395132999 and 25395133017.

It is not an unprimeable number, because it can be changed into a prime (25395133051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537795 + ... + 583106.

Almost surely, 2^25395133056 is an apocalyptic number.

It is an amenable number.

25395133056 is an abundant number, since it is smaller than the sum of its proper divisors (43204069344).

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

25395133056 is a wasteful number, since it uses less digits than its factorization.

25395133056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120977 (or 1120965 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 42.

The spelling of 25395133056 in words is "twenty-five billion, three hundred ninety-five million, one hundred thirty-three thousand, fifty-six".