113565453221 has 8 divisors (see below), whose sum is σ = 123893674464. Its totient is φ = 103237913520.

The previous prime is 113565453187. The next prime is 113565453271. The reversal of 113565453221 is 122354565311.

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 113565453221 - 2²⁶ = 113498344357 is a prime.

It is a super-2 number, since 2×113565453221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113565453271) 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, 216170 + ... + 523316.

It is an arithmetic number, because the mean of its divisors is an integer number (15486709308).

Almost surely, 2^113565453221 is an apocalyptic number.

113565453221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113565453221 is a deficient number, since it is larger than the sum of its proper divisors (10328221243).

113565453221 is a wasteful number, since it uses less digits than its factorization.

113565453221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340771.

The product of its digits is 108000, while the sum is 38.

The spelling of 113565453221 in words is "one hundred thirteen billion, five hundred sixty-five million, four hundred fifty-three thousand, two hundred twenty-one".