111126143291 has 2 divisors, whose sum is σ = 111126143292. Its totient is φ = 111126143290.

The previous prime is 111126143287. The next prime is 111126143311. The reversal of 111126143291 is 192341621111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111126143291 - 2² = 111126143287 is a prime.

It is not a weakly prime, because it can be changed into another prime (111126143591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55563071645 + 55563071646.

It is an arithmetic number, because the mean of its divisors is an integer number (55563071646).

Almost surely, 2^111126143291 is an apocalyptic number.

111126143291 is a deficient number, since it is larger than the sum of its proper divisors (1).

111126143291 is an equidigital number, since it uses as much as digits as its factorization.

111126143291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 32.

The spelling of 111126143291 in words is "one hundred eleven billion, one hundred twenty-six million, one hundred forty-three thousand, two hundred ninety-one".