1912109711 has 2 divisors, whose sum is σ = 1912109712. Its totient is φ = 1912109710.

The previous prime is 1912109653. The next prime is 1912109713. The reversal of 1912109711 is 1179012191.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1912109711 is a prime.

Together with 1912109713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912109713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956054855 + 956054856.

It is an arithmetic number, because the mean of its divisors is an integer number (956054856).

Almost surely, 2^1912109711 is an apocalyptic number.

1912109711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912109711 is an equidigital number, since it uses as much as digits as its factorization.

1912109711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 32.

The square root of 1912109711 is about 43727.6767162400. The cubic root of 1912109711 is about 1241.1880979573.

The spelling of 1912109711 in words is "one billion, nine hundred twelve million, one hundred nine thousand, seven hundred eleven".