111117166136264 has 8 divisors (see below), whose sum is σ = 208344686505510. Its totient is φ = 55558583068128.

The previous prime is 111117166136189. The next prime is 111117166136269. The reversal of 111117166136264 is 462631661711111.

It can be written as a sum of positive squares in only one way, i.e., 68064645016900 + 43052521119364 = 8250130^2 + 6561442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×111117166136264² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111117166136269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944822883509 + ... + 6944822883524.

Almost surely, 2^{111117166136264} is an apocalyptic number.

It is an amenable number.

111117166136264 is a deficient number, since it is larger than the sum of its proper divisors (97227520369246).

111117166136264 is a wasteful number, since it uses less digits than its factorization.

111117166136264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13889645767039 (or 13889645767035 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The spelling of 111117166136264 in words is "one hundred eleven trillion, one hundred seventeen billion, one hundred sixty-six million, one hundred thirty-six thousand, two hundred sixty-four".