515666524252 has 96 divisors (see below), whose sum is σ = 1051928095680. Its totient is φ = 220406630400.

The previous prime is 515666524231. The next prime is 515666524253. The reversal of 515666524252 is 252425666515.

It is a junction number, because it is equal to n+sod(n) for n = 515666524196 and 515666524205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515666524253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145625602 + ... + 145629142.

It is an arithmetic number, because the mean of its divisors is an integer number (10957584330).

Almost surely, 2^515666524252 is an apocalyptic number.

It is an amenable number.

515666524252 is an abundant number, since it is smaller than the sum of its proper divisors (536261571428).

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

515666524252 is a wasteful number, since it uses less digits than its factorization.

515666524252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204 (or 5180 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 49.

The spelling of 515666524252 in words is "five hundred fifteen billion, six hundred sixty-six million, five hundred twenty-four thousand, two hundred fifty-two".