33561118073 has 12 divisors (see below), whose sum is σ = 39044763792. Its totient is φ = 28763519400.

The previous prime is 33561118069. The next prime is 33561118099. The reversal of 33561118073 is 37081116533.

It is not a de Polignac number, because 33561118073 - 2² = 33561118069 is a prime.

It is a super-2 number, since 2×33561118073² (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 (33561112073) 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 11 ways as a sum of consecutive naturals, for example, 488498 + ... + 552948.

It is an arithmetic number, because the mean of its divisors is an integer number (3253730316).

Almost surely, 2^33561118073 is an apocalyptic number.

It is an amenable number.

33561118073 is a deficient number, since it is larger than the sum of its proper divisors (5483645719).

33561118073 is a wasteful number, since it uses less digits than its factorization.

33561118073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75092 (or 75085 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 33561118073 in words is "thirty-three billion, five hundred sixty-one million, one hundred eighteen thousand, seventy-three".