25612342955 has 4 divisors (see below), whose sum is σ = 30734811552. Its totient is φ = 20489874360.

The previous prime is 25612342939. The next prime is 25612342963. The reversal of 25612342955 is 55924321652.

It is a happy number.

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

It is not a de Polignac number, because 25612342955 - 2⁴ = 25612342939 is a prime.

It is a super-2 number, since 2×25612342955² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561234291 + ... + 2561234300.

It is an arithmetic number, because the mean of its divisors is an integer number (7683702888).

Almost surely, 2^25612342955 is an apocalyptic number.

25612342955 is a deficient number, since it is larger than the sum of its proper divisors (5122468597).

25612342955 is an equidigital number, since it uses as much as digits as its factorization.

25612342955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122468596.

The product of its digits is 648000, while the sum is 44.

The spelling of 25612342955 in words is "twenty-five billion, six hundred twelve million, three hundred forty-two thousand, nine hundred fifty-five".