513512255530 has 16 divisors (see below), whose sum is σ = 924357627360. Its totient is φ = 205396998352.

The previous prime is 513512255489. The next prime is 513512255609. The reversal of 513512255530 is 35552215315.

It is a self number, because there is not a number n which added to its sum of digits gives 513512255530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711424 + ... + 1238203.

It is an arithmetic number, because the mean of its divisors is an integer number (57772351710).

Almost surely, 2^513512255530 is an apocalyptic number.

513512255530 is a deficient number, since it is larger than the sum of its proper divisors (410845371830).

513512255530 is a wasteful number, since it uses less digits than its factorization.

513512255530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975973.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 513512255530 in words is "five hundred thirteen billion, five hundred twelve million, two hundred fifty-five thousand, five hundred thirty".