133383349068561 has 12 divisors (see below), whose sum is σ = 198879832303360. Its totient is φ = 86053773592440.

The previous prime is 133383349068523. The next prime is 133383349068569. The reversal of 133383349068561 is 165860943383331.

133383349068561 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 8 + 3 + 3 + 4 + 9 + 0 + 68 + 561 = 666.

It is not a de Polignac number, because 133383349068561 - 2²¹ = 133383346971409 is a prime.

It is a super-2 number, since 2×133383349068561² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133383349068569) 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, 239038259701 + ... + 239038260258.

Almost surely, 2^{133383349068561} is an apocalyptic number.

It is an amenable number.

133383349068561 is a deficient number, since it is larger than the sum of its proper divisors (65496483234799).

133383349068561 is a wasteful number, since it uses less digits than its factorization.

133383349068561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478076519996 (or 478076519993 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 63.

The spelling of 133383349068561 in words is "one hundred thirty-three trillion, three hundred eighty-three billion, three hundred forty-nine million, sixty-eight thousand, five hundred sixty-one".