11433334661 has 24 divisors (see below), whose sum is σ = 13992828864. Its totient is φ = 9145160640.

The previous prime is 11433334643. The next prime is 11433334663. The reversal of 11433334661 is 16643333411.

It is a de Polignac number, because none of the positive numbers 2^k-11433334661 is a prime.

It is a super-2 number, since 2×11433334661² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11433334663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114170 + ... + 189476.

It is an arithmetic number, because the mean of its divisors is an integer number (583034536).

Almost surely, 2^11433334661 is an apocalyptic number.

It is an amenable number.

11433334661 is a deficient number, since it is larger than the sum of its proper divisors (2559494203).

11433334661 is an equidigital number, since it uses as much as digits as its factorization.

11433334661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75401 (or 75378 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The spelling of 11433334661 in words is "eleven billion, four hundred thirty-three million, three hundred thirty-four thousand, six hundred sixty-one".