25041900565 has 16 divisors (see below), whose sum is σ = 33479619840. Its totient is φ = 17824793920.

The previous prime is 25041900553. The next prime is 25041900571. The reversal of 25041900565 is 56500914052.

It is not a de Polignac number, because 25041900565 - 2⁹ = 25041900053 is a prime.

It is a congruent 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, 4841110 + ... + 4846279.

It is an arithmetic number, because the mean of its divisors is an integer number (2092476240).

Almost surely, 2^25041900565 is an apocalyptic number.

It is an amenable number.

25041900565 is a deficient number, since it is larger than the sum of its proper divisors (8437719275).

25041900565 is a wasteful number, since it uses less digits than its factorization.

25041900565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687452.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 25041900565 in words is "twenty-five billion, forty-one million, nine hundred thousand, five hundred sixty-five".