111667411808776 has 16 divisors (see below), whose sum is σ = 209377045314540. Its totient is φ = 55833533058240.

The previous prime is 111667411808767. The next prime is 111667411808857. The reversal of 111667411808776 is 677808114766111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90116555364676 + 21550856444100 = 9492974^2 + 4642290^2 .

It is a super-2 number, since 2×111667411808776² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18839215 + ... + 24046846.

Almost surely, 2^{111667411808776} is an apocalyptic number.

It is an amenable number.

111667411808776 is a deficient number, since it is larger than the sum of its proper divisors (97709633505764).

111667411808776 is a wasteful number, since it uses less digits than its factorization.

111667411808776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43211544 (or 43211540 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 64.

The spelling of 111667411808776 in words is "one hundred eleven trillion, six hundred sixty-seven billion, four hundred eleven million, eight hundred eight thousand, seven hundred seventy-six".