255511115552 has 72 divisors (see below), whose sum is σ = 631914954048. Its totient is φ = 99549774720.

The previous prime is 255511115539. The next prime is 255511115603.

255511115552 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×255511115552⁴ (a number of 47 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4686428 + ... + 4740635.

It is an arithmetic number, because the mean of its divisors is an integer number (8776596584).

Almost surely, 2^255511115552 is an apocalyptic number.

255511115552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255511115552 is an abundant number, since it is smaller than the sum of its proper divisors (376403838496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255511115552 is a wasteful number, since it uses less digits than its factorization.

255511115552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9427102 (or 9427083 counting only the distinct ones).

The product of its digits is 62500, while the sum is 38.

The spelling of 255511115552 in words is "two hundred fifty-five billion, five hundred eleven million, one hundred fifteen thousand, five hundred fifty-two".