25878425133 has 16 divisors (see below), whose sum is σ = 37648106496. Its totient is φ = 15681077040.

The previous prime is 25878424961. The next prime is 25878425161. The reversal of 25878425133 is 33152487852.

It is not a de Polignac number, because 25878425133 - 2⁸ = 25878424877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25878425173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124110 + ... + 259152.

It is an arithmetic number, because the mean of its divisors is an integer number (2353006656).

Almost surely, 2^25878425133 is an apocalyptic number.

It is an amenable number.

25878425133 is a deficient number, since it is larger than the sum of its proper divisors (11769681363).

25878425133 is a wasteful number, since it uses less digits than its factorization.

25878425133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140864.

The product of its digits is 1612800, while the sum is 48.

The spelling of 25878425133 in words is "twenty-five billion, eight hundred seventy-eight million, four hundred twenty-five thousand, one hundred thirty-three".