111667411808858 has 16 divisors (see below), whose sum is σ = 183469784109480. Its totient is φ = 50737323012096.

The previous prime is 111667411808857. The next prime is 111667411808867. The reversal of 111667411808858 is 858808114766111.

It can be written as a sum of positive squares in 4 ways, for example, as 111415561397449 + 251850411409 = 10555357^2 + 501847^2 .

It is a super-2 number, since 2×111667411808858² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111667411808794 and 111667411808803.

It is not an unprimeable number, because it can be changed into a prime (111667411808857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56626475591 + ... + 56626477562.

Almost surely, 2^{111667411808858} is an apocalyptic number.

111667411808858 is a deficient number, since it is larger than the sum of its proper divisors (71802372300622).

111667411808858 is a wasteful number, since it uses less digits than its factorization.

111667411808858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113252953201.

The product of its (nonzero) digits is 20643840, while the sum is 65.

The spelling of 111667411808858 in words is "one hundred eleven trillion, six hundred sixty-seven billion, four hundred eleven million, eight hundred eight thousand, eight hundred fifty-eight".