1315855699 has 2 divisors, whose sum is σ = 1315855700. Its totient is φ = 1315855698.

The previous prime is 1315855687. The next prime is 1315855711. The reversal of 1315855699 is 9965585131.

It is a balanced prime because it is at equal distance from previous prime (1315855687) and next prime (1315855711).

It is a cyclic number.

It is not a de Polignac number, because 1315855699 - 2⁹ = 1315855187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315855609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657927849 + 657927850.

It is an arithmetic number, because the mean of its divisors is an integer number (657927850).

Almost surely, 2^1315855699 is an apocalyptic number.

1315855699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315855699 is an equidigital number, since it uses as much as digits as its factorization.

1315855699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458000, while the sum is 52.

The square root of 1315855699 is about 36274.7253469961. The cubic root of 1315855699 is about 1095.8120923325.

The spelling of 1315855699 in words is "one billion, three hundred fifteen million, eight hundred fifty-five thousand, six hundred ninety-nine".