111143244097 has 2 divisors, whose sum is σ = 111143244098. Its totient is φ = 111143244096.

The previous prime is 111143243993. The next prime is 111143244133. The reversal of 111143244097 is 790442341111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92342446641 + 18800797456 = 303879^2 + 137116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111143244097 is a prime.

It is not a weakly prime, because it can be changed into another prime (111143247097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55571622048 + 55571622049.

It is an arithmetic number, because the mean of its divisors is an integer number (55571622049).

Almost surely, 2^111143244097 is an apocalyptic number.

It is an amenable number.

111143244097 is a deficient number, since it is larger than the sum of its proper divisors (1).

111143244097 is an equidigital number, since it uses as much as digits as its factorization.

111143244097 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 37.

The spelling of 111143244097 in words is "one hundred eleven billion, one hundred forty-three million, two hundred forty-four thousand, ninety-seven".