500111111055 has 32 divisors (see below), whose sum is σ = 821871428544. Its totient is φ = 259495888896.

The previous prime is 500111111053. The next prime is 500111111069. The reversal of 500111111055 is 550111111005.

It is not a de Polignac number, because 500111111055 - 2¹ = 500111111053 is a prime.

It is a super-3 number, since 3×500111111055³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500111111053) by changing a digit.

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, 8558397 + ... + 8616633.

It is an arithmetic number, because the mean of its divisors is an integer number (25683482142).

Almost surely, 2^500111111055 is an apocalyptic number.

500111111055 is a deficient number, since it is larger than the sum of its proper divisors (321760317489).

500111111055 is a wasteful number, since it uses less digits than its factorization.

500111111055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73755.

The product of its (nonzero) digits is 125, while the sum is 21.

The spelling of 500111111055 in words is "five hundred billion, one hundred eleven million, one hundred eleven thousand, fifty-five".