111301986869 has 2 divisors, whose sum is σ = 111301986870. Its totient is φ = 111301986868.

The previous prime is 111301986847. The next prime is 111301986889. The reversal of 111301986869 is 968689103111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96826768900 + 14475217969 = 311170^2 + 120313^2 .

It is a cyclic number.

It is not a de Polignac number, because 111301986869 - 2³² = 107007019573 is a prime.

It is a super-2 number, since 2×111301986869² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111301986869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111301986839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55650993434 + 55650993435.

It is an arithmetic number, because the mean of its divisors is an integer number (55650993435).

Almost surely, 2^111301986869 is an apocalyptic number.

It is an amenable number.

111301986869 is a deficient number, since it is larger than the sum of its proper divisors (1).

111301986869 is an equidigital number, since it uses as much as digits as its factorization.

111301986869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 53.

The spelling of 111301986869 in words is "one hundred eleven billion, three hundred one million, nine hundred eighty-six thousand, eight hundred sixty-nine".