1910810811011 has 2 divisors, whose sum is σ = 1910810811012. Its totient is φ = 1910810811010.

The previous prime is 1910810810983. The next prime is 1910810811071. The reversal of 1910810811011 is 1101180180191.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1910810811011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1910810811071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955405405505 + 955405405506.

It is an arithmetic number, because the mean of its divisors is an integer number (955405405506).

Almost surely, 2^{1910810811011} is an apocalyptic number.

1910810811011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1910810811011 is an equidigital number, since it uses as much as digits as its factorization.

1910810811011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 32.

The spelling of 1910810811011 in words is "one trillion, nine hundred ten billion, eight hundred ten million, eight hundred eleven thousand, eleven".