11180340133 has 4 divisors (see below), whose sum is σ = 11223843660. Its totient is φ = 11136836608.

The previous prime is 11180340131. The next prime is 11180340163. The reversal of 11180340133 is 33104308111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5248567809 + 5931772324 = 72447^2 + 77018^2 .

It is a cyclic number.

It is not a de Polignac number, because 11180340133 - 2¹ = 11180340131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11180340098 and 11180340107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11180340131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21751378 + ... + 21751891.

It is an arithmetic number, because the mean of its divisors is an integer number (2805960915).

Almost surely, 2^11180340133 is an apocalyptic number.

It is an amenable number.

11180340133 is a deficient number, since it is larger than the sum of its proper divisors (43503527).

11180340133 is an equidigital number, since it uses as much as digits as its factorization.

11180340133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43503526.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 11180340133 its reverse (33104308111), we get a palindrome (44284648244).

The spelling of 11180340133 in words is "eleven billion, one hundred eighty million, three hundred forty thousand, one hundred thirty-three".