111445053 has 8 divisors (see below), whose sum is σ = 150811488. Its totient is φ = 73187664.

The previous prime is 111445049. The next prime is 111445069. The reversal of 111445053 is 350544111.

It is a happy number.

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

It is not a de Polignac number, because 111445053 - 2² = 111445049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111445153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277026 + ... + 277427.

It is an arithmetic number, because the mean of its divisors is an integer number (18851436).

Almost surely, 2^111445053 is an apocalyptic number.

It is an amenable number.

111445053 is a deficient number, since it is larger than the sum of its proper divisors (39366435).

111445053 is an equidigital number, since it uses as much as digits as its factorization.

111445053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554523.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 111445053 is about 10556.7539044917. The cubic root of 111445053 is about 481.2310026121.

Adding to 111445053 its reverse (350544111), we get a palindrome (461989164).

The spelling of 111445053 in words is "one hundred eleven million, four hundred forty-five thousand, fifty-three".