111052545573 has 4 divisors (see below), whose sum is σ = 148070060768. Its totient is φ = 74035030380.

The previous prime is 111052545563. The next prime is 111052545623. The reversal of 111052545573 is 375545250111.

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 not a de Polignac number, because 111052545573 - 2¹² = 111052541477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111052545563) 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, 18508757593 + ... + 18508757598.

It is an arithmetic number, because the mean of its divisors is an integer number (37017515192).

Almost surely, 2^111052545573 is an apocalyptic number.

It is an amenable number.

111052545573 is a deficient number, since it is larger than the sum of its proper divisors (37017515195).

111052545573 is an equidigital number, since it uses as much as digits as its factorization.

111052545573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37017515194.

The product of its (nonzero) digits is 105000, while the sum is 39.

Adding to 111052545573 its reverse (375545250111), we get a palindrome (486597795684).

The spelling of 111052545573 in words is "one hundred eleven billion, fifty-two million, five hundred forty-five thousand, five hundred seventy-three".