111207456097 has 2 divisors, whose sum is σ = 111207456098. Its totient is φ = 111207456096.

The previous prime is 111207456079. The next prime is 111207456121. The reversal of 111207456097 is 790654702111.

It is a happy number.

Together with previous prime (111207456079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81805152256 + 29402303841 = 286016^2 + 171471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111207456097 is a prime.

It is not a weakly prime, because it can be changed into another prime (111207456047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55603728048 + 55603728049.

It is an arithmetic number, because the mean of its divisors is an integer number (55603728049).

Almost surely, 2^111207456097 is an apocalyptic number.

It is an amenable number.

111207456097 is a deficient number, since it is larger than the sum of its proper divisors (1).

111207456097 is an equidigital number, since it uses as much as digits as its factorization.

111207456097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 111207456097 in words is "one hundred eleven billion, two hundred seven million, four hundred fifty-six thousand, ninety-seven".