2551100555 has 4 divisors (see below), whose sum is σ = 3061320672. Its totient is φ = 2040880440.

The previous prime is 2551100549. The next prime is 2551100561. The reversal of 2551100555 is 5550011552.

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

It is an interprime number because it is at equal distance from previous prime (2551100549) and next prime (2551100561).

It is not a de Polignac number, because 2551100555 - 2⁶ = 2551100491 is a prime.

It is a super-2 number, since 2×2551100555² = 13016228083442616050, which 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, 255110051 + ... + 255110060.

It is an arithmetic number, because the mean of its divisors is an integer number (765330168).

Almost surely, 2^2551100555 is an apocalyptic number.

2551100555 is a deficient number, since it is larger than the sum of its proper divisors (510220117).

2551100555 is an equidigital number, since it uses as much as digits as its factorization.

2551100555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510220116.

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 2551100555 is about 50508.4206345833. The cubic root of 2551100555 is about 1366.3937255519.

The spelling of 2551100555 in words is "two billion, five hundred fifty-one million, one hundred thousand, five hundred fifty-five".