111092009489 has 2 divisors, whose sum is σ = 111092009490. Its totient is φ = 111092009488.

The previous prime is 111092009459. The next prime is 111092009507. The reversal of 111092009489 is 984900290111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110950280464 + 141729025 = 333092^2 + 11905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111092009489 is a prime.

It is a super-2 number, since 2×111092009489² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111092009459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55546004744 + 55546004745.

It is an arithmetic number, because the mean of its divisors is an integer number (55546004745).

Almost surely, 2^111092009489 is an apocalyptic number.

It is an amenable number.

111092009489 is a deficient number, since it is larger than the sum of its proper divisors (1).

111092009489 is an equidigital number, since it uses as much as digits as its factorization.

111092009489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 44.

The spelling of 111092009489 in words is "one hundred eleven billion, ninety-two million, nine thousand, four hundred eighty-nine".