33343378011 has 12 divisors (see below), whose sum is σ = 48308167960. Its totient is φ = 22161759840.

The previous prime is 33343378007. The next prime is 33343378021. The reversal of 33343378011 is 11087334333.

It is a happy number.

It is not a de Polignac number, because 33343378011 - 2² = 33343378007 is a prime.

It is a super-2 number, since 2×33343378011² (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 (33343378021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5593426 + ... + 5599383.

Almost surely, 2^33343378011 is an apocalyptic number.

33343378011 is a deficient number, since it is larger than the sum of its proper divisors (14964789949).

33343378011 is a wasteful number, since it uses less digits than its factorization.

33343378011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193146 (or 11193143 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 33343378011 in words is "thirty-three billion, three hundred forty-three million, three hundred seventy-eight thousand, eleven".