111109061863 has 2 divisors, whose sum is σ = 111109061864. Its totient is φ = 111109061862.

The previous prime is 111109061851. The next prime is 111109061893. The reversal of 111109061863 is 368160901111.

It is a weak prime.

It is an emirp because it is prime and its reverse (368160901111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111109061863 - 2¹⁷ = 111108930791 is a prime.

It is a super-2 number, since 2×111109061863² (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 (111109061803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55554530931 + 55554530932.

It is an arithmetic number, because the mean of its divisors is an integer number (55554530932).

Almost surely, 2^111109061863 is an apocalyptic number.

111109061863 is a deficient number, since it is larger than the sum of its proper divisors (1).

111109061863 is an equidigital number, since it uses as much as digits as its factorization.

111109061863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 37.

Adding to 111109061863 its reverse (368160901111), we get a palindrome (479269962974).

The spelling of 111109061863 in words is "one hundred eleven billion, one hundred nine million, sixty-one thousand, eight hundred sixty-three".