5555812185555 has 32 divisors (see below), whose sum is σ = 8943583309824. Its totient is φ = 2945033496576.

The previous prime is 5555812185533. The next prime is 5555812185571.

5555812185555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5555812185555 - 2⁵ = 5555812185523 is a prime.

It is a super-2 number, since 2×5555812185555² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2264112 + ... + 4029618.

It is an arithmetic number, because the mean of its divisors is an integer number (279486978432).

Almost surely, 2^{5555812185555} is an apocalyptic number.

5555812185555 is a deficient number, since it is larger than the sum of its proper divisors (3387771124269).

5555812185555 is a wasteful number, since it uses less digits than its factorization.

5555812185555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766795.

The product of its digits is 50000000, while the sum is 60.

The spelling of 5555812185555 in words is "five trillion, five hundred fifty-five billion, eight hundred twelve million, one hundred eighty-five thousand, five hundred fifty-five".