11452033213 has 4 divisors (see below), whose sum is σ = 11846930940. Its totient is φ = 11057135488.

The previous prime is 11452033193. The next prime is 11452033249. The reversal of 11452033213 is 31233025411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31233025411 = 7 ⋅4461860773.

It can be written as a sum of positive squares in 2 ways, for example, as 6435569284 + 5016463929 = 80222^2 + 70827^2 .

It is a cyclic number.

It is not a de Polignac number, because 11452033213 - 2²⁹ = 10915162301 is a prime.

It is a super-2 number, since 2×11452033213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452037213) 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, 197448820 + ... + 197448877.

It is an arithmetic number, because the mean of its divisors is an integer number (2961732735).

Almost surely, 2^11452033213 is an apocalyptic number.

It is an amenable number.

11452033213 is a deficient number, since it is larger than the sum of its proper divisors (394897727).

11452033213 is an equidigital number, since it uses as much as digits as its factorization.

11452033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394897726.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 11452033213 its reverse (31233025411), we get a palindrome (42685058624).

The spelling of 11452033213 in words is "eleven billion, four hundred fifty-two million, thirty-three thousand, two hundred thirteen".