111000987465689 has 2 divisors, whose sum is σ = 111000987465690. Its totient is φ = 111000987465688.

The previous prime is 111000987465637. The next prime is 111000987465727. The reversal of 111000987465689 is 986564789000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106590819464089 + 4410168001600 = 10324283^2 + 2100040^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000987465689 - 2³⁶ = 110932267988953 is a prime.

It is a super-3 number, since 3×111000987465689³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111000987465619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500493732844 + 55500493732845.

It is an arithmetic number, because the mean of its divisors is an integer number (55500493732845).

Almost surely, 2^{111000987465689} is an apocalyptic number.

It is an amenable number.

111000987465689 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000987465689 is an equidigital number, since it uses as much as digits as its factorization.

111000987465689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 65.

The spelling of 111000987465689 in words is "one hundred eleven trillion, nine hundred eighty-seven million, four hundred sixty-five thousand, six hundred eighty-nine".