111412134873 has 12 divisors (see below), whose sum is σ = 173307765540. Its totient is φ = 68561313696.

The previous prime is 111412134853. The next prime is 111412134907. The reversal of 111412134873 is 378431214111.

111412134873 is a `hidden beast` number, since 11 + 141 + 21 + 3 + 487 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39723678864 + 71688456009 = 199308^2 + 267747^2 .

It is not a de Polignac number, because 111412134873 - 2¹⁸ = 111411872729 is a prime.

It is a super-2 number, since 2×111412134873² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111412134853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476120118 + ... + 476120351.

It is an arithmetic number, because the mean of its divisors is an integer number (14442313795).

Almost surely, 2^111412134873 is an apocalyptic number.

111412134873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111412134873 is a deficient number, since it is larger than the sum of its proper divisors (61895630667).

111412134873 is a wasteful number, since it uses less digits than its factorization.

111412134873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952240488 (or 952240485 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

Adding to 111412134873 its reverse (378431214111), we get a palindrome (489843348984).

The spelling of 111412134873 in words is "one hundred eleven billion, four hundred twelve million, one hundred thirty-four thousand, eight hundred seventy-three".