1111095243917 has 2 divisors, whose sum is σ = 1111095243918. Its totient is φ = 1111095243916.

The previous prime is 1111095243851. The next prime is 1111095243949. The reversal of 1111095243917 is 7193425901111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776397125956 + 334698117961 = 881134^2 + 578531^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111095243917 - 2¹⁴ = 1111095227533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111095243317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555547621958 + 555547621959.

It is an arithmetic number, because the mean of its divisors is an integer number (555547621959).

Almost surely, 2^{1111095243917} is an apocalyptic number.

It is an amenable number.

1111095243917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111095243917 is an equidigital number, since it uses as much as digits as its factorization.

1111095243917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 44.

The spelling of 1111095243917 in words is "one trillion, one hundred eleven billion, ninety-five million, two hundred forty-three thousand, nine hundred seventeen".