111134135505 has 16 divisors (see below), whose sum is σ = 185545687680. Its totient is φ = 56694515328.

The previous prime is 111134135477. The next prime is 111134135509. The reversal of 111134135505 is 505531431111.

It is not a de Polignac number, because 111134135505 - 2²⁵ = 111100581073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111134135509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161063620 + ... + 161064309.

It is an arithmetic number, because the mean of its divisors is an integer number (11596605480).

Almost surely, 2^111134135505 is an apocalyptic number.

111134135505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111134135505 is a deficient number, since it is larger than the sum of its proper divisors (74411552175).

111134135505 is a wasteful number, since it uses less digits than its factorization.

111134135505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322127960.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 111134135505 its reverse (505531431111), we get a palindrome (616665566616).

The spelling of 111134135505 in words is "one hundred eleven billion, one hundred thirty-four million, one hundred thirty-five thousand, five hundred five".