11886457111 has 2 divisors, whose sum is σ = 11886457112. Its totient is φ = 11886457110.

The previous prime is 11886457097. The next prime is 11886457117. The reversal of 11886457111 is 11175468811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11886457111 - 2¹⁵ = 11886424343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11886457117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943228555 + 5943228556.

It is an arithmetic number, because the mean of its divisors is an integer number (5943228556).

Almost surely, 2^11886457111 is an apocalyptic number.

11886457111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11886457111 is an equidigital number, since it uses as much as digits as its factorization.

11886457111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 43.

The spelling of 11886457111 in words is "eleven billion, eight hundred eighty-six million, four hundred fifty-seven thousand, one hundred eleven".