33243120465011 has 4 divisors (see below), whose sum is σ = 33788089653024. Its totient is φ = 32698151277000.

The previous prime is 33243120464941. The next prime is 33243120465019. The reversal of 33243120465011 is 11056402134233.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33243120465011 is a prime.

It is a super-2 number, since 2×33243120465011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33243120465019) 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, 272484593915 + ... + 272484594036.

It is an arithmetic number, because the mean of its divisors is an integer number (8447022413256).

Almost surely, 2^{33243120465011} is an apocalyptic number.

33243120465011 is a deficient number, since it is larger than the sum of its proper divisors (544969188013).

33243120465011 is an equidigital number, since it uses as much as digits as its factorization.

33243120465011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544969188012.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 33243120465011 its reverse (11056402134233), we get a palindrome (44299522599244).

The spelling of 33243120465011 in words is "thirty-three trillion, two hundred forty-three billion, one hundred twenty million, four hundred sixty-five thousand, eleven".