5550555555111 has 16 divisors (see below), whose sum is σ = 8686583727104. Its totient is φ = 3086023165344.

The previous prime is 5550555555071. The next prime is 5550555555113. The reversal of 5550555555111 is 1115555550555.

It is not a de Polignac number, because 5550555555111 - 2¹⁸ = 5550555292967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550555555113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3571785295 + ... + 3571786848.

It is an arithmetic number, because the mean of its divisors is an integer number (542911482944).

Almost surely, 2^{5550555555111} is an apocalyptic number.

5550555555111 is a deficient number, since it is larger than the sum of its proper divisors (3136028171993).

5550555555111 is a wasteful number, since it uses less digits than its factorization.

5550555555111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143572190.

The product of its (nonzero) digits is 1953125, while the sum is 48.

The spelling of 5550555555111 in words is "five trillion, five hundred fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, one hundred eleven".