113321261133 has 12 divisors (see below), whose sum is σ = 165525438780. Its totient is φ = 74698658496.

The previous prime is 113321261101. The next prime is 113321261153. The reversal of 113321261133 is 331162123311.

113321261133 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 2 + 12 + 611 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42009831369 + 71311429764 = 204963^2 + 267042^2 .

It is not a de Polignac number, because 113321261133 - 2⁵ = 113321261101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113321261097 and 113321261106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113321261153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70736566 + ... + 70738167.

It is an arithmetic number, because the mean of its divisors is an integer number (13793786565).

Almost surely, 2^113321261133 is an apocalyptic number.

It is an amenable number.

113321261133 is a deficient number, since it is larger than the sum of its proper divisors (52204177647).

113321261133 is a wasteful number, since it uses less digits than its factorization.

113321261133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141474828 (or 141474825 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 113321261133 its reverse (331162123311), we get a palindrome (444483384444).

The spelling of 113321261133 in words is "one hundred thirteen billion, three hundred twenty-one million, two hundred sixty-one thousand, one hundred thirty-three".