25104153551 has 4 divisors (see below), whose sum is σ = 26195638512. Its totient is φ = 24012668592.

The previous prime is 25104153533. The next prime is 25104153577. The reversal of 25104153551 is 15535140152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25104153551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25104155551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545742446 + ... + 545742491.

It is an arithmetic number, because the mean of its divisors is an integer number (6548909628).

Almost surely, 2^25104153551 is an apocalyptic number.

25104153551 is a deficient number, since it is larger than the sum of its proper divisors (1091484961).

25104153551 is a wasteful number, since it uses less digits than its factorization.

25104153551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091484960.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 25104153551 in words is "twenty-five billion, one hundred four million, one hundred fifty-three thousand, five hundred fifty-one".