113205453645 has 8 divisors (see below), whose sum is σ = 181128725856. Its totient is φ = 60376241936.

The previous prime is 113205453643. The next prime is 113205453659. The reversal of 113205453645 is 546354502311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 113205453645 - 2¹ = 113205453643 is a prime.

It is a super-3 number, since 3×113205453645³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113205453643) 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, 3773515107 + ... + 3773515136.

It is an arithmetic number, because the mean of its divisors is an integer number (22641090732).

Almost surely, 2^113205453645 is an apocalyptic number.

113205453645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113205453645 is a deficient number, since it is larger than the sum of its proper divisors (67923272211).

113205453645 is an equidigital number, since it uses as much as digits as its factorization.

113205453645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547030251.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 113205453645 its reverse (546354502311), we get a palindrome (659559955956).

The spelling of 113205453645 in words is "one hundred thirteen billion, two hundred five million, four hundred fifty-three thousand, six hundred forty-five".