11317447875 has 16 divisors (see below), whose sum is σ = 18832233888. Its totient is φ = 6035972000.

The previous prime is 11317447847. The next prime is 11317447903. The reversal of 11317447875 is 57874471311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11317447847) and next prime (11317447903).

It is not a de Polignac number, because 11317447875 - 2⁶ = 11317447811 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, 15089556 + ... + 15090305.

It is an arithmetic number, because the mean of its divisors is an integer number (1177014618).

Almost surely, 2^11317447875 is an apocalyptic number.

11317447875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11317447875 is a deficient number, since it is larger than the sum of its proper divisors (7514786013).

11317447875 is an equidigital number, since it uses as much as digits as its factorization.

11317447875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30179879 (or 30179869 counting only the distinct ones).

The product of its digits is 658560, while the sum is 48.

The spelling of 11317447875 in words is "eleven billion, three hundred seventeen million, four hundred forty-seven thousand, eight hundred seventy-five".