11040432120213 has 4 divisors (see below), whose sum is σ = 14720576160288. Its totient is φ = 7360288080140.

The previous prime is 11040432120209. The next prime is 11040432120217. The reversal of 11040432120213 is 31202123404011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11040432120209) and next prime (11040432120217).

It is a cyclic number.

It is not a de Polignac number, because 11040432120213 - 2² = 11040432120209 is a prime.

It is a super-2 number, since 2×11040432120213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040432120217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840072020033 + ... + 1840072020038.

It is an arithmetic number, because the mean of its divisors is an integer number (3680144040072).

Almost surely, 2^{11040432120213} is an apocalyptic number.

It is an amenable number.

11040432120213 is a deficient number, since it is larger than the sum of its proper divisors (3680144040075).

11040432120213 is an equidigital number, since it uses as much as digits as its factorization.

11040432120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680144040074.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11040432120213 its reverse (31202123404011), we get a palindrome (42242555524224).

The spelling of 11040432120213 in words is "eleven trillion, forty billion, four hundred thirty-two million, one hundred twenty thousand, two hundred thirteen".