111100111110949 has 2 divisors, whose sum is σ = 111100111110950. Its totient is φ = 111100111110948.

The previous prime is 111100111110941. The next prime is 111100111111001. The reversal of 111100111110949 is 949011111001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75595077978849 + 35505033132100 = 8694543^2 + 5958610^2 .

It is an emirp because it is prime and its reverse (949011111001111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111100111110949 - 2³ = 111100111110941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111100111110949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100111110941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550055555474 + 55550055555475.

It is an arithmetic number, because the mean of its divisors is an integer number (55550055555475).

Almost surely, 2^{111100111110949} is an apocalyptic number.

It is an amenable number.

111100111110949 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100111110949 is an equidigital number, since it uses as much as digits as its factorization.

111100111110949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 31.

The spelling of 111100111110949 in words is "one hundred eleven trillion, one hundred billion, one hundred eleven million, one hundred ten thousand, nine hundred forty-nine".