2555045004555 has 16 divisors (see below), whose sum is σ = 4542302230560. Its totient is φ = 1362690669024.

The previous prime is 2555045004527. The next prime is 2555045004559. The reversal of 2555045004555 is 5554005405552.

2555045004555 is a `hidden beast` number, since 2 + 5 + 5 + 50 + 4 + 500 + 45 + 55 = 666.

It is not a de Polignac number, because 2555045004555 - 2¹⁷ = 2555044873483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2555045004555.

It is not an unprimeable number, because it can be changed into a prime (2555045004559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9463129512 + ... + 9463129781.

It is an arithmetic number, because the mean of its divisors is an integer number (283893889410).

Almost surely, 2^{2555045004555} is an apocalyptic number.

2555045004555 is a deficient number, since it is larger than the sum of its proper divisors (1987257226005).

2555045004555 is a wasteful number, since it uses less digits than its factorization.

2555045004555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18926259307 (or 18926259301 counting only the distinct ones).

The product of its (nonzero) digits is 2500000, while the sum is 45.

The spelling of 2555045004555 in words is "two trillion, five hundred fifty-five billion, forty-five million, four thousand, five hundred fifty-five".