112517980997 has 2 divisors, whose sum is σ = 112517980998. Its totient is φ = 112517980996.

The previous prime is 112517980931. The next prime is 112517980999. The reversal of 112517980997 is 799089715211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111929724481 + 588256516 = 334559^2 + 24254^2 .

It is an emirp because it is prime and its reverse (799089715211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112517980997 - 2⁸ = 112517980741 is a prime.

It is a super-2 number, since 2×112517980997² (a number of 23 digits) contains 22 as substring.

Together with 112517980999, 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 (112517980999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56258990498 + 56258990499.

It is an arithmetic number, because the mean of its divisors is an integer number (56258990499).

Almost surely, 2^112517980997 is an apocalyptic number.

It is an amenable number.

112517980997 is a deficient number, since it is larger than the sum of its proper divisors (1).

112517980997 is an equidigital number, since it uses as much as digits as its factorization.

112517980997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 59.

The spelling of 112517980997 in words is "one hundred twelve billion, five hundred seventeen million, nine hundred eighty thousand, nine hundred ninety-seven".