111153230689 has 2 divisors, whose sum is σ = 111153230690. Its totient is φ = 111153230688.

The previous prime is 111153230647. The next prime is 111153230711. The reversal of 111153230689 is 986032351111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90004800064 + 21148430625 = 300008^2 + 145425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111153230689 is a prime.

It is not a weakly prime, because it can be changed into another prime (111153230789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55576615344 + 55576615345.

It is an arithmetic number, because the mean of its divisors is an integer number (55576615345).

Almost surely, 2^111153230689 is an apocalyptic number.

It is an amenable number.

111153230689 is a deficient number, since it is larger than the sum of its proper divisors (1).

111153230689 is an equidigital number, since it uses as much as digits as its factorization.

111153230689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 111153230689 in words is "one hundred eleven billion, one hundred fifty-three million, two hundred thirty thousand, six hundred eighty-nine".