1311369875 has 16 divisors (see below), whose sum is σ = 1637625600. Its totient is φ = 1048432000.

The previous prime is 1311369847. The next prime is 1311369881. The reversal of 1311369875 is 5789631131.

It is a de Polignac number, because none of the positive numbers 2^k-1311369875 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321851 + ... + 325899.

It is an arithmetic number, because the mean of its divisors is an integer number (102351600).

Almost surely, 2^1311369875 is an apocalyptic number.

1311369875 is a deficient number, since it is larger than the sum of its proper divisors (326255725).

1311369875 is an equidigital number, since it uses as much as digits as its factorization.

1311369875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655 (or 6645 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 1311369875 is about 36212.8412997379. The cubic root of 1311369875 is about 1094.5654468573.

The spelling of 1311369875 in words is "one billion, three hundred eleven million, three hundred sixty-nine thousand, eight hundred seventy-five".