1315015215 has 16 divisors (see below), whose sum is σ = 2108639328. Its totient is φ = 699803136.

The previous prime is 1315015193. The next prime is 1315015217. The reversal of 1315015215 is 5125105131.

It is not a de Polignac number, because 1315015215 - 2¹⁴ = 1314998831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315015217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89062 + ... + 102771.

It is an arithmetic number, because the mean of its divisors is an integer number (131789958).

Almost surely, 2^1315015215 is an apocalyptic number.

1315015215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1315015215 is a deficient number, since it is larger than the sum of its proper divisors (793624113).

1315015215 is a wasteful number, since it uses less digits than its factorization.

1315015215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192298.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1315015215 is about 36263.1385155780. The cubic root of 1315015215 is about 1095.5787312085.

The spelling of 1315015215 in words is "one billion, three hundred fifteen million, fifteen thousand, two hundred fifteen".