133121233464511 has 2 divisors, whose sum is σ = 133121233464512. Its totient is φ = 133121233464510.

The previous prime is 133121233464497. The next prime is 133121233464581. The reversal of 133121233464511 is 115464332121331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133121233464511 - 2⁷ = 133121233464383 is a prime.

It is a super-2 number, since 2×133121233464511² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133121233464581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66560616732255 + 66560616732256.

It is an arithmetic number, because the mean of its divisors is an integer number (66560616732256).

Almost surely, 2^{133121233464511} is an apocalyptic number.

133121233464511 is a deficient number, since it is larger than the sum of its proper divisors (1).

133121233464511 is an equidigital number, since it uses as much as digits as its factorization.

133121233464511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

Adding to 133121233464511 its reverse (115464332121331), we get a palindrome (248585565585842).

The spelling of 133121233464511 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, two hundred thirty-three million, four hundred sixty-four thousand, five hundred eleven".