111162134645 has 4 divisors (see below), whose sum is σ = 133394561580. Its totient is φ = 88929707712.

The previous prime is 111162134639. The next prime is 111162134663. The reversal of 111162134645 is 546431261111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546431261111 = 47737 ⋅11446703.

It can be written as a sum of positive squares in 2 ways, for example, as 80415914929 + 30746219716 = 283577^2 + 175346^2 .

It is a cyclic number.

It is not a de Polignac number, because 111162134645 - 2²⁴ = 111145357429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11116213460 + ... + 11116213469.

It is an arithmetic number, because the mean of its divisors is an integer number (33348640395).

Almost surely, 2^111162134645 is an apocalyptic number.

It is an amenable number.

111162134645 is a deficient number, since it is larger than the sum of its proper divisors (22232426935).

111162134645 is an equidigital number, since it uses as much as digits as its factorization.

111162134645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22232426934.

The product of its digits is 17280, while the sum is 35.

Adding to 111162134645 its reverse (546431261111), we get a palindrome (657593395756).

The spelling of 111162134645 in words is "one hundred eleven billion, one hundred sixty-two million, one hundred thirty-four thousand, six hundred forty-five".