111564334141 has 12 divisors (see below), whose sum is σ = 120821226240. Its totient is φ = 102969781200.

The previous prime is 111564334111. The next prime is 111564334153. The reversal of 111564334141 is 141433465111.

It is not a de Polignac number, because 111564334141 - 2¹³ = 111564325949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111564334097 and 111564334106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111564334111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1510450 + ... + 1582588.

It is an arithmetic number, because the mean of its divisors is an integer number (10068435520).

Almost surely, 2^111564334141 is an apocalyptic number.

It is an amenable number.

111564334141 is a deficient number, since it is larger than the sum of its proper divisors (9256892099).

111564334141 is an equidigital number, since it uses as much as digits as its factorization.

111564334141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81316 (or 81303 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

Adding to 111564334141 its reverse (141433465111), we get a palindrome (252997799252).

The spelling of 111564334141 in words is "one hundred eleven billion, five hundred sixty-four million, three hundred thirty-four thousand, one hundred forty-one".