111606172134 has 16 divisors (see below), whose sum is σ = 223229865072. Its totient is φ = 37199137248.

The previous prime is 111606172109. The next prime is 111606172157. The reversal of 111606172134 is 431271606111.

It is a super-2 number, since 2×111606172134² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111606172095 and 111606172104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646489 + ... + 800724.

It is an arithmetic number, because the mean of its divisors is an integer number (13951866567).

Almost surely, 2^111606172134 is an apocalyptic number.

111606172134 is an abundant number, since it is smaller than the sum of its proper divisors (111623692938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111606172134 is a wasteful number, since it uses less digits than its factorization.

111606172134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460071.

The product of its (nonzero) digits is 6048, while the sum is 33.

Adding to 111606172134 its reverse (431271606111), we get a palindrome (542877778245).

The spelling of 111606172134 in words is "one hundred eleven billion, six hundred six million, one hundred seventy-two thousand, one hundred thirty-four".