1311117849433 has 4 divisors (see below), whose sum is σ = 1498420399360. Its totient is φ = 1123815299508.

The previous prime is 1311117849383. The next prime is 1311117849491. The reversal of 1311117849433 is 3349487111131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1311117849433 - 2²¹ = 1311115752281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311117849233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93651274953 + ... + 93651274966.

It is an arithmetic number, because the mean of its divisors is an integer number (374605099840).

Almost surely, 2^{1311117849433} is an apocalyptic number.

It is an amenable number.

1311117849433 is a deficient number, since it is larger than the sum of its proper divisors (187302549927).

1311117849433 is an equidigital number, since it uses as much as digits as its factorization.

1311117849433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187302549926.

The product of its digits is 217728, while the sum is 46.

The spelling of 1311117849433 in words is "one trillion, three hundred eleven billion, one hundred seventeen million, eight hundred forty-nine thousand, four hundred thirty-three".