1315565115 has 8 divisors (see below), whose sum is σ = 2104904208. Its totient is φ = 701634720.

The previous prime is 1315565113. The next prime is 1315565137. The reversal of 1315565115 is 5115655131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1315565115 - 2¹ = 1315565113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1315565113) 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 7 ways as a sum of consecutive naturals, for example, 43852156 + ... + 43852185.

It is an arithmetic number, because the mean of its divisors is an integer number (263113026).

Almost surely, 2^1315565115 is an apocalyptic number.

1315565115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1315565115 is a deficient number, since it is larger than the sum of its proper divisors (789339093).

1315565115 is an equidigital number, since it uses as much as digits as its factorization.

1315565115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87704349.

The product of its digits is 11250, while the sum is 33.

The square root of 1315565115 is about 36270.7198026176. The cubic root of 1315565115 is about 1095.7314226704.

The spelling of 1315565115 in words is "one billion, three hundred fifteen million, five hundred sixty-five thousand, one hundred fifteen".