25433452555 has 16 divisors (see below), whose sum is σ = 36396693504. Its totient is φ = 16681816800.

The previous prime is 25433452453. The next prime is 25433452613. The reversal of 25433452555 is 55525433452.

It is not a de Polignac number, because 25433452555 - 2⁷ = 25433452427 is a prime.

It is a Duffinian number.

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, 15796371 + ... + 15797980.

It is an arithmetic number, because the mean of its divisors is an integer number (2274793344).

Almost surely, 2^25433452555 is an apocalyptic number.

25433452555 is a deficient number, since it is larger than the sum of its proper divisors (10963240949).

25433452555 is a wasteful number, since it uses less digits than its factorization.

25433452555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31594386.

The product of its digits is 1800000, while the sum is 43.

The spelling of 25433452555 in words is "twenty-five billion, four hundred thirty-three million, four hundred fifty-two thousand, five hundred fifty-five".