33545045011 has 4 divisors (see below), whose sum is σ = 33745913712. Its totient is φ = 33344176312.

The previous prime is 33545044993. The next prime is 33545045021. The reversal of 33545045011 is 11054054533.

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

It is a cyclic number.

It is not a de Polignac number, because 33545045011 - 2⁵ = 33545044979 is a prime.

It is a super-2 number, since 2×33545045011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33545045021) 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, 100434100 + ... + 100434433.

It is an arithmetic number, because the mean of its divisors is an integer number (8436478428).

Almost surely, 2^33545045011 is an apocalyptic number.

33545045011 is a deficient number, since it is larger than the sum of its proper divisors (200868701).

33545045011 is a wasteful number, since it uses less digits than its factorization.

33545045011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200868700.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 33545045011 its reverse (11054054533), we get a palindrome (44599099544).

The spelling of 33545045011 in words is "thirty-three billion, five hundred forty-five million, forty-five thousand, eleven".