25052550500555 has 4 divisors (see below), whose sum is σ = 30063060600672. Its totient is φ = 20042040400440.

The previous prime is 25052550500539. The next prime is 25052550500569. The reversal of 25052550500555 is 55500505525052.

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 25052550500555 - 2⁴ = 25052550500539 is a prime.

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, 2505255050051 + ... + 2505255050060.

It is an arithmetic number, because the mean of its divisors is an integer number (7515765150168).

Almost surely, 2^{25052550500555} is an apocalyptic number.

25052550500555 is a deficient number, since it is larger than the sum of its proper divisors (5010510100117).

25052550500555 is an equidigital number, since it uses as much as digits as its factorization.

25052550500555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010510100116.

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 25052550500555 in words is "twenty-five trillion, fifty-two billion, five hundred fifty million, five hundred thousand, five hundred fifty-five".