555115511555 has 16 divisors (see below), whose sum is σ = 726915859200. Its totient is φ = 403598600160.

The previous prime is 555115511513. The next prime is 555115511641.

555115511555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555115511555 - 2²² = 555111317251 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337945 + ... + 1703034.

It is an arithmetic number, because the mean of its divisors is an integer number (45432241200).

Almost surely, 2^555115511555 is an apocalyptic number.

555115511555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555115511555 is a deficient number, since it is larger than the sum of its proper divisors (171800347645).

555115511555 is a wasteful number, since it uses less digits than its factorization.

555115511555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044314.

The product of its digits is 390625, while the sum is 44.

The spelling of 555115511555 in words is "five hundred fifty-five billion, one hundred fifteen million, five hundred eleven thousand, five hundred fifty-five".