190711123711 has 2 divisors, whose sum is σ = 190711123712. Its totient is φ = 190711123710.

The previous prime is 190711123709. The next prime is 190711123721. The reversal of 190711123711 is 117321117091.

It is a weak prime.

It is an emirp because it is prime and its reverse (117321117091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190711123711 - 2¹ = 190711123709 is a prime.

It is a super-2 number, since 2×190711123711² (a number of 23 digits) contains 22 as substring.

Together with 190711123709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190711123721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95355561855 + 95355561856.

It is an arithmetic number, because the mean of its divisors is an integer number (95355561856).

Almost surely, 2^190711123711 is an apocalyptic number.

190711123711 is a deficient number, since it is larger than the sum of its proper divisors (1).

190711123711 is an equidigital number, since it uses as much as digits as its factorization.

190711123711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 34.

The spelling of 190711123711 in words is "one hundred ninety billion, seven hundred eleven million, one hundred twenty-three thousand, seven hundred eleven".