1315132052520 has 128 divisors (see below), whose sum is σ = 4635150791040. Its totient is φ = 294295280640.

The previous prime is 1315132052471. The next prime is 1315132052527. The reversal of 1315132052520 is 252502315131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1315132052527) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 38302539 + ... + 38336858.

It is an arithmetic number, because the mean of its divisors is an integer number (36212115555).

Almost surely, 2^{1315132052520} is an apocalyptic number.

1315132052520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315132052520 is an abundant number, since it is smaller than the sum of its proper divisors (3320018738520).

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

1315132052520 is a wasteful number, since it uses less digits than its factorization.

1315132052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76639435 (or 76639431 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1315132052520 its reverse (252502315131), we get a palindrome (1567634367651).

The spelling of 1315132052520 in words is "one trillion, three hundred fifteen billion, one hundred thirty-two million, fifty-two thousand, five hundred twenty".