112290661897 has 2 divisors, whose sum is σ = 112290661898. Its totient is φ = 112290661896.

The previous prime is 112290661859. The next prime is 112290661907. The reversal of 112290661897 is 798166092211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89582884416 + 22707777481 = 299304^2 + 150691^2 .

It is an emirp because it is prime and its reverse (798166092211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112290661897 is a prime.

It is not a weakly prime, because it can be changed into another prime (112290661837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56145330948 + 56145330949.

It is an arithmetic number, because the mean of its divisors is an integer number (56145330949).

Almost surely, 2^112290661897 is an apocalyptic number.

It is an amenable number.

112290661897 is a deficient number, since it is larger than the sum of its proper divisors (1).

112290661897 is an equidigital number, since it uses as much as digits as its factorization.

112290661897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 112290661897 in words is "one hundred twelve billion, two hundred ninety million, six hundred sixty-one thousand, eight hundred ninety-seven".