133023443421511 has 2 divisors, whose sum is σ = 133023443421512. Its totient is φ = 133023443421510.

The previous prime is 133023443421487. The next prime is 133023443421587. The reversal of 133023443421511 is 115124344320331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133023443421511 - 2⁹ = 133023443420999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133023443421811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66511721710755 + 66511721710756.

It is an arithmetic number, because the mean of its divisors is an integer number (66511721710756).

Almost surely, 2^{133023443421511} is an apocalyptic number.

133023443421511 is a deficient number, since it is larger than the sum of its proper divisors (1).

133023443421511 is an equidigital number, since it uses as much as digits as its factorization.

133023443421511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 133023443421511 its reverse (115124344320331), we get a palindrome (248147787741842).

The spelling of 133023443421511 in words is "one hundred thirty-three trillion, twenty-three billion, four hundred forty-three million, four hundred twenty-one thousand, five hundred eleven".