111240832097 has 2 divisors, whose sum is σ = 111240832098. Its totient is φ = 111240832096.

The previous prime is 111240832063. The next prime is 111240832111. The reversal of 111240832097 is 790238042111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74267695441 + 36973136656 = 272521^2 + 192284^2 .

It is a cyclic number.

It is not a de Polignac number, because 111240832097 - 2¹² = 111240828001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111240832097.

It is not a weakly prime, because it can be changed into another prime (111240832397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55620416048 + 55620416049.

It is an arithmetic number, because the mean of its divisors is an integer number (55620416049).

Almost surely, 2^111240832097 is an apocalyptic number.

It is an amenable number.

111240832097 is a deficient number, since it is larger than the sum of its proper divisors (1).

111240832097 is an equidigital number, since it uses as much as digits as its factorization.

111240832097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 111240832097 in words is "one hundred eleven billion, two hundred forty million, eight hundred thirty-two thousand, ninety-seven".