515566161116 has 6 divisors (see below), whose sum is σ = 902240781960. Its totient is φ = 257783080556.

The previous prime is 515566161091. The next prime is 515566161161. The reversal of 515566161116 is 611161665515.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64445770136 + ... + 64445770143.

It is an arithmetic number, because the mean of its divisors is an integer number (150373463660).

Almost surely, 2^515566161116 is an apocalyptic number.

It is an amenable number.

515566161116 is a deficient number, since it is larger than the sum of its proper divisors (386674620844).

515566161116 is a wasteful number, since it uses less digits than its factorization.

515566161116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128891540283 (or 128891540281 counting only the distinct ones).

The product of its digits is 162000, while the sum is 44.

The spelling of 515566161116 in words is "five hundred fifteen billion, five hundred sixty-six million, one hundred sixty-one thousand, one hundred sixteen".