11111011096949 has 2 divisors, whose sum is σ = 11111011096950. Its totient is φ = 11111011096948.

The previous prime is 11111011096943. The next prime is 11111011096951. The reversal of 11111011096949 is 94969011011111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10515382164049 + 595628932900 = 3242743^2 + 771770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111011096949 is a prime.

Together with 11111011096951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111011096943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555505548474 + 5555505548475.

It is an arithmetic number, because the mean of its divisors is an integer number (5555505548475).

Almost surely, 2^{11111011096949} is an apocalyptic number.

It is an amenable number.

11111011096949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111011096949 is an equidigital number, since it uses as much as digits as its factorization.

11111011096949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 44.

The spelling of 11111011096949 in words is "eleven trillion, one hundred eleven billion, eleven million, ninety-six thousand, nine hundred forty-nine".