3318255808551 has 6 divisors (see below), whose sum is σ = 4793036167920. Its totient is φ = 2212170539028.

The previous prime is 3318255808547. The next prime is 3318255808559. The reversal of 3318255808551 is 1558085528133.

3318255808551 is a `hidden beast` number, since 3 + 3 + 1 + 8 + 2 + 5 + 5 + 80 + 8 + 551 = 666.

It is not a de Polignac number, because 3318255808551 - 2² = 3318255808547 is a prime.

It is a super-2 number, since 2×3318255808551² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318255808559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184347544911 + ... + 184347544928.

It is an arithmetic number, because the mean of its divisors is an integer number (798839361320).

Almost surely, 2^{3318255808551} is an apocalyptic number.

3318255808551 is a deficient number, since it is larger than the sum of its proper divisors (1474780359369).

3318255808551 is a wasteful number, since it uses less digits than its factorization.

3318255808551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368695089845 (or 368695089842 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 54.

The spelling of 3318255808551 in words is "three trillion, three hundred eighteen billion, two hundred fifty-five million, eight hundred eight thousand, five hundred fifty-one".