111130933871 has 2 divisors, whose sum is σ = 111130933872. Its totient is φ = 111130933870.

The previous prime is 111130933847. The next prime is 111130933873. The reversal of 111130933871 is 178339031111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111130933871 is a prime.

It is a Sophie Germain prime.

Together with 111130933873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111130933873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55565466935 + 55565466936.

It is an arithmetic number, because the mean of its divisors is an integer number (55565466936).

Almost surely, 2^111130933871 is an apocalyptic number.

111130933871 is a deficient number, since it is larger than the sum of its proper divisors (1).

111130933871 is an equidigital number, since it uses as much as digits as its factorization.

111130933871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

Adding to 111130933871 its reverse (178339031111), we get a palindrome (289469964982).

The spelling of 111130933871 in words is "one hundred eleven billion, one hundred thirty million, nine hundred thirty-three thousand, eight hundred seventy-one".