112170353987 has 2 divisors, whose sum is σ = 112170353988. Its totient is φ = 112170353986.

The previous prime is 112170353983. The next prime is 112170354041. The reversal of 112170353987 is 789353071211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112170353987 - 2² = 112170353983 is a prime.

It is not a weakly prime, because it can be changed into another prime (112170353983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56085176993 + 56085176994.

It is an arithmetic number, because the mean of its divisors is an integer number (56085176994).

Almost surely, 2^112170353987 is an apocalyptic number.

112170353987 is a deficient number, since it is larger than the sum of its proper divisors (1).

112170353987 is an equidigital number, since it uses as much as digits as its factorization.

112170353987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 112170353987 in words is "one hundred twelve billion, one hundred seventy million, three hundred fifty-three thousand, nine hundred eighty-seven".