1315265415 has 16 divisors (see below), whose sum is σ = 2134066176. Its totient is φ = 691594400.

The previous prime is 1315265411. The next prime is 1315265429. The reversal of 1315265415 is 5145625131.

It is not a de Polignac number, because 1315265415 - 2² = 1315265411 is a prime.

It is a super-2 number, since 2×1315265415² = 3459846223790244450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315265411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616431 + ... + 618560.

It is an arithmetic number, because the mean of its divisors is an integer number (133379136).

Almost surely, 2^1315265415 is an apocalyptic number.

1315265415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1315265415 is a deficient number, since it is larger than the sum of its proper divisors (818800761).

1315265415 is a wasteful number, since it uses less digits than its factorization.

1315265415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235070.

The product of its digits is 18000, while the sum is 33.

The square root of 1315265415 is about 36266.5881356380. The cubic root of 1315265415 is about 1095.6482098509.

The spelling of 1315265415 in words is "one billion, three hundred fifteen million, two hundred sixty-five thousand, four hundred fifteen".