111400860511 has 2 divisors, whose sum is σ = 111400860512. Its totient is φ = 111400860510.

The previous prime is 111400860457. The next prime is 111400860523. The reversal of 111400860511 is 115068004111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111400860511 is a prime.

It is a super-2 number, since 2×111400860511² (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 111400860511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111400860581) 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, 55700430255 + 55700430256.

It is an arithmetic number, because the mean of its divisors is an integer number (55700430256).

Almost surely, 2^111400860511 is an apocalyptic number.

111400860511 is a deficient number, since it is larger than the sum of its proper divisors (1).

111400860511 is an equidigital number, since it uses as much as digits as its factorization.

111400860511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 28.

Adding to 111400860511 its reverse (115068004111), we get a palindrome (226468864622).

The spelling of 111400860511 in words is "one hundred eleven billion, four hundred million, eight hundred sixty thousand, five hundred eleven".