515516101116 has 12 divisors (see below), whose sum is σ = 1202870902632. Its totient is φ = 171838700368.

The previous prime is 515516101073. The next prime is 515516101141. The reversal of 515516101116 is 611101615515.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21479837535 + ... + 21479837558.

It is an arithmetic number, because the mean of its divisors is an integer number (100239241886).

Almost surely, 2^515516101116 is an apocalyptic number.

It is an amenable number.

515516101116 is an abundant number, since it is smaller than the sum of its proper divisors (687354801516).

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

515516101116 is a wasteful number, since it uses less digits than its factorization.

515516101116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42959675100 (or 42959675098 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 515516101116 in words is "five hundred fifteen billion, five hundred sixteen million, one hundred one thousand, one hundred sixteen".