11779412111 has 2 divisors, whose sum is σ = 11779412112. Its totient is φ = 11779412110.

The previous prime is 11779412069. The next prime is 11779412129. The reversal of 11779412111 is 11121497711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11779412111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11779412191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5889706055 + 5889706056.

It is an arithmetic number, because the mean of its divisors is an integer number (5889706056).

Almost surely, 2^11779412111 is an apocalyptic number.

11779412111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11779412111 is an equidigital number, since it uses as much as digits as its factorization.

11779412111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 35.

The spelling of 11779412111 in words is "eleven billion, seven hundred seventy-nine million, four hundred twelve thousand, one hundred eleven".