3111920036443 has 4 divisors (see below), whose sum is σ = 3114756792360. Its totient is φ = 3109083280528.

The previous prime is 3111920036419. The next prime is 3111920036479. The reversal of 3111920036443 is 3446300291113.

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

It is a cyclic number.

It is not a de Polignac number, because 3111920036443 - 2⁵ = 3111920036411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111920036483) 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, 1418376313 + ... + 1418378506.

It is an arithmetic number, because the mean of its divisors is an integer number (778689198090).

Almost surely, 2^{3111920036443} is an apocalyptic number.

3111920036443 is a deficient number, since it is larger than the sum of its proper divisors (2836755917).

3111920036443 is a wasteful number, since it uses less digits than its factorization.

3111920036443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836755916.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 3111920036443 in words is "three trillion, one hundred eleven billion, nine hundred twenty million, thirty-six thousand, four hundred forty-three".