505515875516 has 6 divisors (see below), whose sum is σ = 884652782160. Its totient is φ = 252757937756.

The previous prime is 505515875479. The next prime is 505515875549. The reversal of 505515875516 is 615578515505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63189484436 + ... + 63189484443.

It is an arithmetic number, because the mean of its divisors is an integer number (147442130360).

Almost surely, 2^505515875516 is an apocalyptic number.

It is an amenable number.

505515875516 is a deficient number, since it is larger than the sum of its proper divisors (379136906644).

505515875516 is a wasteful number, since it uses less digits than its factorization.

505515875516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126378968883 (or 126378968881 counting only the distinct ones).

The product of its (nonzero) digits is 5250000, while the sum is 53.

The spelling of 505515875516 in words is "five hundred five billion, five hundred fifteen million, eight hundred seventy-five thousand, five hundred sixteen".