555655556555 has 32 divisors (see below), whose sum is σ = 728656051968. Its totient is φ = 403418012800.

The previous prime is 555655556549. The next prime is 555655556611.

555655556555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555655556555 - 2⁴ = 555655556539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 100897112 + ... + 100902618.

It is an arithmetic number, because the mean of its divisors is an integer number (22770501624).

Almost surely, 2^555655556555 is an apocalyptic number.

555655556555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555655556555 is a deficient number, since it is larger than the sum of its proper divisors (173000495413).

555655556555 is a wasteful number, since it uses less digits than its factorization.

555655556555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347.

The product of its digits is 351562500, while the sum is 62.

The spelling of 555655556555 in words is "five hundred fifty-five billion, six hundred fifty-five million, five hundred fifty-six thousand, five hundred fifty-five".