111545222403 has 4 divisors (see below), whose sum is σ = 148726963208. Its totient is φ = 74363481600.

The previous prime is 111545222381. The next prime is 111545222413. The reversal of 111545222403 is 304222545111.

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

It is not a de Polignac number, because 111545222403 - 2¹⁰ = 111545221379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111545222413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18590870398 + ... + 18590870403.

It is an arithmetic number, because the mean of its divisors is an integer number (37181740802).

Almost surely, 2^111545222403 is an apocalyptic number.

111545222403 is a deficient number, since it is larger than the sum of its proper divisors (37181740805).

111545222403 is an equidigital number, since it uses as much as digits as its factorization.

111545222403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37181740804.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 111545222403 its reverse (304222545111), we get a palindrome (415767767514).

The spelling of 111545222403 in words is "one hundred eleven billion, five hundred forty-five million, two hundred twenty-two thousand, four hundred three".