111247465097 has 2 divisors, whose sum is σ = 111247465098. Its totient is φ = 111247465096.

The previous prime is 111247465037. The next prime is 111247465171. The reversal of 111247465097 is 790564742111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70936462921 + 40311002176 = 266339^2 + 200776^2 .

It is a cyclic number.

It is not a de Polignac number, because 111247465097 - 2¹⁴ = 111247448713 is a prime.

It is not a weakly prime, because it can be changed into another prime (111247465037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55623732548 + 55623732549.

It is an arithmetic number, because the mean of its divisors is an integer number (55623732549).

Almost surely, 2^111247465097 is an apocalyptic number.

It is an amenable number.

111247465097 is a deficient number, since it is larger than the sum of its proper divisors (1).

111247465097 is an equidigital number, since it uses as much as digits as its factorization.

111247465097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 111247465097 in words is "one hundred eleven billion, two hundred forty-seven million, four hundred sixty-five thousand, ninety-seven".