1111110211957 has 2 divisors, whose sum is σ = 1111110211958. Its totient is φ = 1111110211956.

The previous prime is 1111110211951. The next prime is 1111110211963. The reversal of 1111110211957 is 7591120111111.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1111110211951) and next prime (1111110211963).

It can be written as a sum of positive squares in only one way, i.e., 714973404721 + 396136807236 = 845561^2 + 629394^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111110211957 - 2³ = 1111110211949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111110211951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555555105978 + 555555105979.

It is an arithmetic number, because the mean of its divisors is an integer number (555555105979).

Almost surely, 2^{1111110211957} is an apocalyptic number.

It is an amenable number.

1111110211957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111110211957 is an equidigital number, since it uses as much as digits as its factorization.

1111110211957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 31.

The spelling of 1111110211957 in words is "one trillion, one hundred eleven billion, one hundred ten million, two hundred eleven thousand, nine hundred fifty-seven".