111000560989 has 2 divisors, whose sum is σ = 111000560990. Its totient is φ = 111000560988.

The previous prime is 111000560963. The next prime is 111000561043. The reversal of 111000560989 is 989065000111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93962480089 + 17038080900 = 306533^2 + 130530^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000560989 - 2¹⁹ = 111000036701 is a prime.

It is a super-2 number, since 2×111000560989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111000560929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500280494 + 55500280495.

It is an arithmetic number, because the mean of its divisors is an integer number (55500280495).

Almost surely, 2^111000560989 is an apocalyptic number.

It is an amenable number.

111000560989 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000560989 is an equidigital number, since it uses as much as digits as its factorization.

111000560989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 40.

The spelling of 111000560989 in words is "one hundred eleven billion, five hundred sixty thousand, nine hundred eighty-nine".