111150423445 has 4 divisors (see below), whose sum is σ = 133380508140. Its totient is φ = 88920338752.

The previous prime is 111150423413. The next prime is 111150423457. The reversal of 111150423445 is 544324051111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15386169681 + 95764253764 = 124041^2 + 309458^2 .

It is a cyclic number.

It is not a de Polignac number, because 111150423445 - 2⁵ = 111150423413 is a prime.

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, 11115042340 + ... + 11115042349.

It is an arithmetic number, because the mean of its divisors is an integer number (33345127035).

Almost surely, 2^111150423445 is an apocalyptic number.

It is an amenable number.

111150423445 is a deficient number, since it is larger than the sum of its proper divisors (22230084695).

111150423445 is an equidigital number, since it uses as much as digits as its factorization.

111150423445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22230084694.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 111150423445 its reverse (544324051111), we get a palindrome (655474474556).

The spelling of 111150423445 in words is "one hundred eleven billion, one hundred fifty million, four hundred twenty-three thousand, four hundred forty-five".