2551105555 has 8 divisors (see below), whose sum is σ = 3064498272. Its totient is φ = 2038770048.

The previous prime is 2551105541. The next prime is 2551105597. The reversal of 2551105555 is 5555011552.

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

It is a cyclic number.

It is not a de Polignac number, because 2551105555 - 2¹¹ = 2551103507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2551105555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258982 + ... + 268651.

It is an arithmetic number, because the mean of its divisors is an integer number (383062284).

Almost surely, 2^2551105555 is an apocalyptic number.

2551105555 is a deficient number, since it is larger than the sum of its proper divisors (513392717).

2551105555 is an equidigital number, since it uses as much as digits as its factorization.

2551105555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528605.

The product of its (nonzero) digits is 31250, while the sum is 34.

The square root of 2551105555 is about 50508.4701312562. The cubic root of 2551105555 is about 1366.3946182338.

The spelling of 2551105555 in words is "two billion, five hundred fifty-one million, one hundred five thousand, five hundred fifty-five".