1315530515452 has 24 divisors (see below), whose sum is σ = 2370180476720. Its totient is φ = 638423026560.

The previous prime is 1315530515441. The next prime is 1315530515513. The reversal of 1315530515452 is 2545150355131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10805874 + ... + 10926937.

Almost surely, 2^{1315530515452} is an apocalyptic number.

It is an amenable number.

1315530515452 is a deficient number, since it is larger than the sum of its proper divisors (1054649961268).

1315530515452 is a wasteful number, since it uses less digits than its factorization.

1315530515452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21733261 (or 21733259 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 1315530515452 in words is "one trillion, three hundred fifteen billion, five hundred thirty million, five hundred fifteen thousand, four hundred fifty-two".