515665064112 has 40 divisors (see below), whose sum is σ = 1453237909440. Its totient is φ = 156262140480.

The previous prime is 515665064087. The next prime is 515665064119. The reversal of 515665064112 is 211460566515.

It is not an unprimeable number, because it can be changed into a prime (515665064119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488318662 + ... + 488319717.

It is an arithmetic number, because the mean of its divisors is an integer number (36330947736).

Almost surely, 2^515665064112 is an apocalyptic number.

It is an amenable number.

515665064112 is an abundant number, since it is smaller than the sum of its proper divisors (937572845328).

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

515665064112 is a wasteful number, since it uses less digits than its factorization.

515665064112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976638401 (or 976638395 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 515665064112 in words is "five hundred fifteen billion, six hundred sixty-five million, sixty-four thousand, one hundred twelve".