113512223445 has 64 divisors (see below), whose sum is σ = 189070516224. Its totient is φ = 58118860800.

The previous prime is 113512223441. The next prime is 113512223483. The reversal of 113512223445 is 544322215311.

It is not a de Polignac number, because 113512223445 - 2² = 113512223441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113512223441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7362745 + ... + 7378145.

It is an arithmetic number, because the mean of its divisors is an integer number (2954226816).

Almost surely, 2^113512223445 is an apocalyptic number.

113512223445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113512223445 is a deficient number, since it is larger than the sum of its proper divisors (75558292779).

113512223445 is a wasteful number, since it uses less digits than its factorization.

113512223445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15662.

The product of its digits is 28800, while the sum is 33.

Adding to 113512223445 its reverse (544322215311), we get a palindrome (657834438756).

The spelling of 113512223445 in words is "one hundred thirteen billion, five hundred twelve million, two hundred twenty-three thousand, four hundred forty-five".