25560002553 has 8 divisors (see below), whose sum is σ = 34115994528. Its totient is φ = 17022006144.

The previous prime is 25560002483. The next prime is 25560002563. The reversal of 25560002553 is 35520006552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25560002553 - 2⁸ = 25560002297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25560002563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4495576 + ... + 4501257.

It is an arithmetic number, because the mean of its divisors is an integer number (4264499316).

Almost surely, 2^25560002553 is an apocalyptic number.

It is an amenable number.

25560002553 is a deficient number, since it is larger than the sum of its proper divisors (8555991975).

25560002553 is an equidigital number, since it uses as much as digits as its factorization.

25560002553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8997783.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 25560002553 in words is "twenty-five billion, five hundred sixty million, two thousand, five hundred fifty-three".