11851286113 has 2 divisors, whose sum is σ = 11851286114. Its totient is φ = 11851286112.

The previous prime is 11851286099. The next prime is 11851286179. The reversal of 11851286113 is 31168215811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11044328464 + 806957649 = 105092^2 + 28407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11851286113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11851280113) 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, 5925643056 + 5925643057.

It is an arithmetic number, because the mean of its divisors is an integer number (5925643057).

Almost surely, 2^11851286113 is an apocalyptic number.

It is an amenable number.

11851286113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11851286113 is an equidigital number, since it uses as much as digits as its factorization.

11851286113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 37.

The spelling of 11851286113 in words is "eleven billion, eight hundred fifty-one million, two hundred eighty-six thousand, one hundred thirteen".