1315355155 has 4 divisors (see below), whose sum is σ = 1578426192. Its totient is φ = 1052284120.

The previous prime is 1315355101. The next prime is 1315355179. The reversal of 1315355155 is 5515535131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1315355155 - 2¹⁷ = 1315224083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1315355155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131535511 + ... + 131535520.

It is an arithmetic number, because the mean of its divisors is an integer number (394606548).

Almost surely, 2^1315355155 is an apocalyptic number.

1315355155 is a deficient number, since it is larger than the sum of its proper divisors (263071037).

1315355155 is an equidigital number, since it uses as much as digits as its factorization.

1315355155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263071036.

The product of its digits is 28125, while the sum is 34.

The square root of 1315355155 is about 36267.8253414786. The cubic root of 1315355155 is about 1095.6731278214.

The spelling of 1315355155 in words is "one billion, three hundred fifteen million, three hundred fifty-five thousand, one hundred fifty-five".