1315502001 has 24 divisors (see below), whose sum is σ = 2082079584. Its totient is φ = 793748160.

The previous prime is 1315501981. The next prime is 1315502039. The reversal of 1315502001 is 1002055131.

It is not a de Polignac number, because 1315502001 - 2²⁹ = 778631089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1315502051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6796 + ... + 51741.

It is an arithmetic number, because the mean of its divisors is an integer number (86753316).

Almost surely, 2^1315502001 is an apocalyptic number.

1315502001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1315502001 is a deficient number, since it is larger than the sum of its proper divisors (766577583).

1315502001 is a wasteful number, since it uses less digits than its factorization.

1315502001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58781 (or 58778 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1315502001 is about 36269.8497515498. The cubic root of 1315502001 is about 1095.7138998842.

Adding to 1315502001 its reverse (1002055131), we get a palindrome (2317557132).

The spelling of 1315502001 in words is "one billion, three hundred fifteen million, five hundred two thousand, one".