1311193412875 has 16 divisors (see below), whose sum is σ = 1722494086560. Its totient is φ = 993746584800.

The previous prime is 1311193412861. The next prime is 1311193412897. The reversal of 1311193412875 is 5782143911131.

It is a happy number.

It is not a de Polignac number, because 1311193412875 - 2¹¹ = 1311193410827 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, 276038344 + ... + 276043093.

It is an arithmetic number, because the mean of its divisors is an integer number (107655880410).

Almost surely, 2^{1311193412875} is an apocalyptic number.

1311193412875 is a deficient number, since it is larger than the sum of its proper divisors (411300673685).

1311193412875 is an equidigital number, since it uses as much as digits as its factorization.

1311193412875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552081471 (or 552081461 counting only the distinct ones).

The product of its digits is 181440, while the sum is 46.

The spelling of 1311193412875 in words is "one trillion, three hundred eleven billion, one hundred ninety-three million, four hundred twelve thousand, eight hundred seventy-five".