11370856837 has 2 divisors, whose sum is σ = 11370856838. Its totient is φ = 11370856836.

The previous prime is 11370856807. The next prime is 11370856843. The reversal of 11370856837 is 73865807311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8126301316 + 3244555521 = 90146^2 + 56961^2 .

It is a cyclic number.

It is not a de Polignac number, because 11370856837 - 2¹⁹ = 11370332549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11370856807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5685428418 + 5685428419.

It is an arithmetic number, because the mean of its divisors is an integer number (5685428419).

Almost surely, 2^11370856837 is an apocalyptic number.

It is an amenable number.

11370856837 is a deficient number, since it is larger than the sum of its proper divisors (1).

11370856837 is an equidigital number, since it uses as much as digits as its factorization.

11370856837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 11370856837 in words is "eleven billion, three hundred seventy million, eight hundred fifty-six thousand, eight hundred thirty-seven".