133411333961 has 2 divisors, whose sum is σ = 133411333962. Its totient is φ = 133411333960.

The previous prime is 133411333949. The next prime is 133411333981. The reversal of 133411333961 is 169333114331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123619044025 + 9792289936 = 351595^2 + 98956^2 .

It is an emirp because it is prime and its reverse (169333114331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133411333961 - 2⁶ = 133411333897 is a prime.

It is not a weakly prime, because it can be changed into another prime (133411333981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66705666980 + 66705666981.

It is an arithmetic number, because the mean of its divisors is an integer number (66705666981).

Almost surely, 2^133411333961 is an apocalyptic number.

It is an amenable number.

133411333961 is a deficient number, since it is larger than the sum of its proper divisors (1).

133411333961 is an equidigital number, since it uses as much as digits as its factorization.

133411333961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 38.

The spelling of 133411333961 in words is "one hundred thirty-three billion, four hundred eleven million, three hundred thirty-three thousand, nine hundred sixty-one".