11370864991 has 2 divisors, whose sum is σ = 11370864992. Its totient is φ = 11370864990.

The previous prime is 11370864983. The next prime is 11370865087. The reversal of 11370864991 is 19946807311.

11370864991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11370864991 - 2³ = 11370864983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11370864971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5685432495 + 5685432496.

It is an arithmetic number, because the mean of its divisors is an integer number (5685432496).

Almost surely, 2^11370864991 is an apocalyptic number.

11370864991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11370864991 is an equidigital number, since it uses as much as digits as its factorization.

11370864991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 11370864991 in words is "eleven billion, three hundred seventy million, eight hundred sixty-four thousand, nine hundred ninety-one".