25135582044213 has 32 divisors (see below), whose sum is σ = 38262816633600. Its totient is φ = 16296279772608.

The previous prime is 25135582044127. The next prime is 25135582044227. The reversal of 25135582044213 is 31244028553152.

It is a happy number.

25135582044213 is a `hidden beast` number, since 2 + 5 + 1 + 3 + 5 + 582 + 0 + 44 + 21 + 3 = 666.

It is not a de Polignac number, because 25135582044213 - 2⁹ = 25135582043701 is a prime.

It is a super-3 number, since 3×25135582044213³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135582045213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4013481 + ... + 8147342.

It is an arithmetic number, because the mean of its divisors is an integer number (1195713019800).

Almost surely, 2^{25135582044213} is an apocalyptic number.

It is an amenable number.

25135582044213 is a deficient number, since it is larger than the sum of its proper divisors (13127234589387).

25135582044213 is a wasteful number, since it uses less digits than its factorization.

25135582044213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162938 (or 12162932 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 25135582044213 in words is "twenty-five trillion, one hundred thirty-five billion, five hundred eighty-two million, forty-four thousand, two hundred thirteen".