1111130312191 has 2 divisors, whose sum is σ = 1111130312192. Its totient is φ = 1111130312190.

The previous prime is 1111130312153. The next prime is 1111130312233. The reversal of 1111130312191 is 1912130311111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111130312191 - 2⁹ = 1111130311679 is a prime.

It is a super-2 number, since 2×1111130312191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111130312101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555565156095 + 555565156096.

It is an arithmetic number, because the mean of its divisors is an integer number (555565156096).

Almost surely, 2^{1111130312191} is an apocalyptic number.

1111130312191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111130312191 is an equidigital number, since it uses as much as digits as its factorization.

1111130312191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 1111130312191 in words is "one trillion, one hundred eleven billion, one hundred thirty million, three hundred twelve thousand, one hundred ninety-one".