55055556110511 has 24 divisors (see below), whose sum is σ = 86754526232400. Its totient is φ = 33366881932800.

The previous prime is 55055556110507. The next prime is 55055556110573. The reversal of 55055556110511 is 11501165555055.

It is not a de Polignac number, because 55055556110511 - 2² = 55055556110507 is a prime.

It is a super-2 number, since 2×55055556110511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055556110111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31478065 + ... + 33181013.

It is an arithmetic number, because the mean of its divisors is an integer number (3614771926350).

Almost surely, 2^{55055556110511} is an apocalyptic number.

55055556110511 is a deficient number, since it is larger than the sum of its proper divisors (31698970121889).

55055556110511 is a wasteful number, since it uses less digits than its factorization.

55055556110511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029527 (or 2029524 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 45.

The spelling of 55055556110511 in words is "fifty-five trillion, fifty-five billion, five hundred fifty-six million, one hundred ten thousand, five hundred eleven".