515380686380 has 96 divisors (see below), whose sum is σ = 1285650164736. Its totient is φ = 169854679296.

The previous prime is 515380686349. The next prime is 515380686409. The reversal of 515380686380 is 83686083515.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169424 + ... + 1029303.

It is an arithmetic number, because the mean of its divisors is an integer number (13392189216).

Almost surely, 2^515380686380 is an apocalyptic number.

It is an amenable number.

515380686380 is an abundant number, since it is smaller than the sum of its proper divisors (770269478356).

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

515380686380 is a wasteful number, since it uses less digits than its factorization.

515380686380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198863 (or 1198861 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 515380686380 in words is "five hundred fifteen billion, three hundred eighty million, six hundred eighty-six thousand, three hundred eighty".