112197913871 has 2 divisors, whose sum is σ = 112197913872. Its totient is φ = 112197913870.

The previous prime is 112197913847. The next prime is 112197913901. The reversal of 112197913871 is 178319791211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112197913871 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112197913801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56098956935 + 56098956936.

It is an arithmetic number, because the mean of its divisors is an integer number (56098956936).

Almost surely, 2^112197913871 is an apocalyptic number.

112197913871 is a deficient number, since it is larger than the sum of its proper divisors (1).

112197913871 is an equidigital number, since it uses as much as digits as its factorization.

112197913871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 50.

The spelling of 112197913871 in words is "one hundred twelve billion, one hundred ninety-seven million, nine hundred thirteen thousand, eight hundred seventy-one".