111564264137 has 4 divisors (see below), whose sum is σ = 111566712960. Its totient is φ = 111561815316.

The previous prime is 111564264121. The next prime is 111564264167. The reversal of 111564264137 is 731462465111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111564264137 - 2⁴ = 111564264121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111564264094 and 111564264103.

It is not an unprimeable number, because it can be changed into a prime (111564264167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154753 + ... + 1247630.

It is an arithmetic number, because the mean of its divisors is an integer number (27891678240).

Almost surely, 2^111564264137 is an apocalyptic number.

It is an amenable number.

111564264137 is a deficient number, since it is larger than the sum of its proper divisors (2448823).

111564264137 is an equidigital number, since it uses as much as digits as its factorization.

111564264137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448822.

The product of its digits is 120960, while the sum is 41.

The spelling of 111564264137 in words is "one hundred eleven billion, five hundred sixty-four million, two hundred sixty-four thousand, one hundred thirty-seven".