190066987111 has 2 divisors, whose sum is σ = 190066987112. Its totient is φ = 190066987110.

The previous prime is 190066987079. The next prime is 190066987129. The reversal of 190066987111 is 111789660091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190066987111 - 2⁵ = 190066987079 is a prime.

It is a super-2 number, since 2×190066987111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190066987151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95033493555 + 95033493556.

It is an arithmetic number, because the mean of its divisors is an integer number (95033493556).

Almost surely, 2^190066987111 is an apocalyptic number.

190066987111 is a deficient number, since it is larger than the sum of its proper divisors (1).

190066987111 is an equidigital number, since it uses as much as digits as its factorization.

190066987111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 49.

The spelling of 190066987111 in words is "one hundred ninety billion, sixty-six million, nine hundred eighty-seven thousand, one hundred eleven".