11818699241 has 2 divisors, whose sum is σ = 11818699242. Its totient is φ = 11818699240.

The previous prime is 11818699229. The next prime is 11818699273. The reversal of 11818699241 is 14299681811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11812429225 + 6270016 = 108685^2 + 2504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11818699241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11818699241.

It is not a weakly prime, because it can be changed into another prime (11818699141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5909349620 + 5909349621.

It is an arithmetic number, because the mean of its divisors is an integer number (5909349621).

Almost surely, 2^11818699241 is an apocalyptic number.

It is an amenable number.

11818699241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11818699241 is an equidigital number, since it uses as much as digits as its factorization.

11818699241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 50.

The spelling of 11818699241 in words is "eleven billion, eight hundred eighteen million, six hundred ninety-nine thousand, two hundred forty-one".