25452435155 has 16 divisors (see below), whose sum is σ = 35059979520. Its totient is φ = 17376207072.

The previous prime is 25452435149. The next prime is 25452435187. The reversal of 25452435155 is 55153425452.

It is not a de Polignac number, because 25452435155 - 2¹⁸ = 25452173011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1593845 + ... + 1609734.

It is an arithmetic number, because the mean of its divisors is an integer number (2191248720).

Almost surely, 2^25452435155 is an apocalyptic number.

25452435155 is a deficient number, since it is larger than the sum of its proper divisors (9607544365).

25452435155 is a wasteful number, since it uses less digits than its factorization.

25452435155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203818.

The product of its digits is 600000, while the sum is 41.

The spelling of 25452435155 in words is "twenty-five billion, four hundred fifty-two million, four hundred thirty-five thousand, one hundred fifty-five".