133811042302061 has 2 divisors, whose sum is σ = 133811042302062. Its totient is φ = 133811042302060.

The previous prime is 133811042302043. The next prime is 133811042302141. The reversal of 133811042302061 is 160203240118331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108420468625225 + 25390573676836 = 10412515^2 + 5038906^2 .

It is an emirp because it is prime and its reverse (160203240118331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133811042302061 - 2¹⁰ = 133811042301037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133811042332061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66905521151030 + 66905521151031.

It is an arithmetic number, because the mean of its divisors is an integer number (66905521151031).

Almost surely, 2^{133811042302061} is an apocalyptic number.

It is an amenable number.

133811042302061 is a deficient number, since it is larger than the sum of its proper divisors (1).

133811042302061 is an equidigital number, since it uses as much as digits as its factorization.

133811042302061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 133811042302061 in words is "one hundred thirty-three trillion, eight hundred eleven billion, forty-two million, three hundred two thousand, sixty-one".