1315013452520 has 16 divisors (see below), whose sum is σ = 2958780268260. Its totient is φ = 526005380992.

The previous prime is 1315013452499. The next prime is 1315013452531. The reversal of 1315013452520 is 252543105131.

It can be written as a sum of positive squares in 2 ways, for example, as 1305767860804 + 9245591716 = 1142702^2 + 96154^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16437668117 + ... + 16437668196.

Almost surely, 2^{1315013452520} is an apocalyptic number.

1315013452520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315013452520 is an abundant number, since it is smaller than the sum of its proper divisors (1643766815740).

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

1315013452520 is a wasteful number, since it uses less digits than its factorization.

1315013452520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32875336324 (or 32875336320 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1315013452520 its reverse (252543105131), we get a palindrome (1567556557651).

The spelling of 1315013452520 in words is "one trillion, three hundred fifteen billion, thirteen million, four hundred fifty-two thousand, five hundred twenty".