16111183391 has 2 divisors, whose sum is σ = 16111183392. Its totient is φ = 16111183390.

The previous prime is 16111183381. The next prime is 16111183397. The reversal of 16111183391 is 19338111161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16111183391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16111183397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8055591695 + 8055591696.

It is an arithmetic number, because the mean of its divisors is an integer number (8055591696).

Almost surely, 2^16111183391 is an apocalyptic number.

16111183391 is a deficient number, since it is larger than the sum of its proper divisors (1).

16111183391 is an equidigital number, since it uses as much as digits as its factorization.

16111183391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 35.

The spelling of 16111183391 in words is "sixteen billion, one hundred eleven million, one hundred eighty-three thousand, three hundred ninety-one".