515504345212 has 12 divisors (see below), whose sum is σ = 902160148680. Its totient is φ = 257744302736.

The previous prime is 515504345203. The next prime is 515504345281. The reversal of 515504345212 is 212543405515.

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, 1818838 + ... + 2083069.

It is an arithmetic number, because the mean of its divisors is an integer number (75180012390).

Almost surely, 2^515504345212 is an apocalyptic number.

It is an amenable number.

515504345212 is a deficient number, since it is larger than the sum of its proper divisors (386655803468).

515504345212 is a wasteful number, since it uses less digits than its factorization.

515504345212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934940 (or 3934938 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 515504345212 in words is "five hundred fifteen billion, five hundred four million, three hundred forty-five thousand, two hundred twelve".