25153205134 has 32 divisors (see below), whose sum is σ = 41257264896. Its totient is φ = 11449589760.

The previous prime is 25153205131. The next prime is 25153205141. The reversal of 25153205134 is 43150235152.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 25153205096 and 25153205105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25153205131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3007102 + ... + 3015454.

It is an arithmetic number, because the mean of its divisors is an integer number (1289289528).

Almost surely, 2^25153205134 is an apocalyptic number.

25153205134 is a deficient number, since it is larger than the sum of its proper divisors (16104059762).

25153205134 is a wasteful number, since it uses less digits than its factorization.

25153205134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11260.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 25153205134 in words is "twenty-five billion, one hundred fifty-three million, two hundred five thousand, one hundred thirty-four".