11333111321249 has 2 divisors, whose sum is σ = 11333111321250. Its totient is φ = 11333111321248.

The previous prime is 11333111321179. The next prime is 11333111321263. The reversal of 11333111321249 is 94212311133311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10136537866849 + 1196573454400 = 3183793^2 + 1093880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11333111321249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11333111329249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666555660624 + 5666555660625.

It is an arithmetic number, because the mean of its divisors is an integer number (5666555660625).

Almost surely, 2^{11333111321249} is an apocalyptic number.

It is an amenable number.

11333111321249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11333111321249 is an equidigital number, since it uses as much as digits as its factorization.

11333111321249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The spelling of 11333111321249 in words is "eleven trillion, three hundred thirty-three billion, one hundred eleven million, three hundred twenty-one thousand, two hundred forty-nine".