111117166136255 has 16 divisors (see below), whose sum is σ = 133370371774080. Its totient is φ = 88873885920672.

The previous prime is 111117166136189. The next prime is 111117166136269. The reversal of 111117166136255 is 552631661711111.

It is a cyclic number.

It is not a de Polignac number, because 111117166136255 - 2¹⁰ = 111117166135231 is a prime.

It is a super-2 number, since 2×111117166136255² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916241132 + ... + 916362398.

It is an arithmetic number, because the mean of its divisors is an integer number (8335648235880).

Almost surely, 2^{111117166136255} is an apocalyptic number.

111117166136255 is a deficient number, since it is larger than the sum of its proper divisors (22253205637825).

111117166136255 is a wasteful number, since it uses less digits than its factorization.

111117166136255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160678.

The product of its digits is 226800, while the sum is 47.

The spelling of 111117166136255 in words is "one hundred eleven trillion, one hundred seventeen billion, one hundred sixty-six million, one hundred thirty-six thousand, two hundred fifty-five".