133450731811 has 2 divisors, whose sum is σ = 133450731812. Its totient is φ = 133450731810.

The previous prime is 133450731809. The next prime is 133450731829. The reversal of 133450731811 is 118137054331.

It is a weak prime.

It is an emirp because it is prime and its reverse (118137054331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133450731811 - 2¹ = 133450731809 is a prime.

Together with 133450731809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (133450731881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66725365905 + 66725365906.

It is an arithmetic number, because the mean of its divisors is an integer number (66725365906).

Almost surely, 2^133450731811 is an apocalyptic number.

133450731811 is a deficient number, since it is larger than the sum of its proper divisors (1).

133450731811 is an equidigital number, since it uses as much as digits as its factorization.

133450731811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 133450731811 in words is "one hundred thirty-three billion, four hundred fifty million, seven hundred thirty-one thousand, eight hundred eleven".