501111055016 has 64 divisors (see below), whose sum is σ = 1114162620480. Its totient is φ = 208291322880.

The previous prime is 501111055001. The next prime is 501111055043. The reversal of 501111055016 is 610550111105.

It is a super-2 number, since 2×501111055016² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1924481 + ... + 2169296.

It is an arithmetic number, because the mean of its divisors is an integer number (17408790945).

Almost surely, 2^501111055016 is an apocalyptic number.

It is an amenable number.

501111055016 is an abundant number, since it is smaller than the sum of its proper divisors (613051565464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501111055016 is a wasteful number, since it uses less digits than its factorization.

501111055016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093914 (or 4093910 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 501111055016 in words is "five hundred one billion, one hundred eleven million, fifty-five thousand, sixteen".