1520368512 has 64 divisors (see below), whose sum is σ = 4349145360. Its totient is φ = 467804160.

The previous prime is 1520368483. The next prime is 1520368523. The reversal of 1520368512 is 2158630251.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 147289 + ... + 157272.

Almost surely, 2^1520368512 is an apocalyptic number.

1520368512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1520368512 is an abundant number, since it is smaller than the sum of its proper divisors (2828776848).

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

1520368512 is a wasteful number, since it uses less digits than its factorization.

1520368512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304591 (or 304579 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1520368512 is about 38991.9031595022. The cubic root of 1520368512 is about 1149.8723265949.

Adding to 1520368512 its reverse (2158630251), we get a palindrome (3678998763).

The spelling of 1520368512 in words is "one billion, five hundred twenty million, three hundred sixty-eight thousand, five hundred twelve".