11310990689 has 2 divisors, whose sum is σ = 11310990690. Its totient is φ = 11310990688.

The previous prime is 11310990667. The next prime is 11310990787. The reversal of 11310990689 is 98609901311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10686390625 + 624600064 = 103375^2 + 24992^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310990689 - 2³² = 7016023393 is a prime.

It is a super-3 number, since 3×11310990689³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11310990619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655495344 + 5655495345.

It is an arithmetic number, because the mean of its divisors is an integer number (5655495345).

Almost surely, 2^11310990689 is an apocalyptic number.

It is an amenable number.

11310990689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310990689 is an equidigital number, since it uses as much as digits as its factorization.

11310990689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 11310990689 in words is "eleven billion, three hundred ten million, nine hundred ninety thousand, six hundred eighty-nine".