111564034445 has 8 divisors (see below), whose sum is σ = 135257015544. Its totient is φ = 88331111424.

The previous prime is 111564034433. The next prime is 111564034457. The reversal of 111564034445 is 544430465111.

It is an interprime number because it is at equal distance from previous prime (111564034433) and next prime (111564034457).

It can be written as a sum of positive squares in 4 ways, for example, as 26049314404 + 85514720041 = 161398^2 + 292429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111564034445 - 2⁴ = 111564034429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111564034399 and 111564034408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115013984 + ... + 115014953.

It is an arithmetic number, because the mean of its divisors is an integer number (16907126943).

Almost surely, 2^111564034445 is an apocalyptic number.

It is an amenable number.

111564034445 is a deficient number, since it is larger than the sum of its proper divisors (23692981099).

111564034445 is an equidigital number, since it uses as much as digits as its factorization.

111564034445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230029039.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 111564034445 its reverse (544430465111), we get a palindrome (655994499556).

The spelling of 111564034445 in words is "one hundred eleven billion, five hundred sixty-four million, thirty-four thousand, four hundred forty-five".