25135152154 has 16 divisors (see below), whose sum is σ = 45623469888. Its totient is φ = 10138548672.

The previous prime is 25135152149. The next prime is 25135152247. The reversal of 25135152154 is 45125153152.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 52804704 + ... + 52805179.

It is an arithmetic number, because the mean of its divisors is an integer number (2851466868).

Almost surely, 2^25135152154 is an apocalyptic number.

25135152154 is a deficient number, since it is larger than the sum of its proper divisors (20488317734).

25135152154 is a wasteful number, since it uses less digits than its factorization.

25135152154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105609909.

The product of its digits is 30000, while the sum is 34.

The spelling of 25135152154 in words is "twenty-five billion, one hundred thirty-five million, one hundred fifty-two thousand, one hundred fifty-four".