2551022231355 has 128 divisors (see below), whose sum is σ = 4978498775040. Its totient is φ = 1231823116800.

The previous prime is 2551022231353. The next prime is 2551022231399. The reversal of 2551022231355 is 5531322201552.

2551022231355 is a `hidden beast` number, since 2 + 5 + 51 + 0 + 22 + 231 + 355 = 666.

It is not a de Polignac number, because 2551022231355 - 2¹ = 2551022231353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551022231353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18899034 + ... + 19033536.

It is an arithmetic number, because the mean of its divisors is an integer number (38894521680).

Almost surely, 2^{2551022231355} is an apocalyptic number.

2551022231355 is a deficient number, since it is larger than the sum of its proper divisors (2427476543685).

2551022231355 is a wasteful number, since it uses less digits than its factorization.

2551022231355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134738 (or 134732 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 2551022231355 in words is "two trillion, five hundred fifty-one billion, twenty-two million, two hundred thirty-one thousand, three hundred fifty-five".