133520716211 has 4 divisors (see below), whose sum is σ = 135349767192. Its totient is φ = 131691665232.

The previous prime is 133520716169. The next prime is 133520716229. The reversal of 133520716211 is 112617025331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133520716211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133520718211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914525381 + ... + 914525526.

It is an arithmetic number, because the mean of its divisors is an integer number (33837441798).

Almost surely, 2^133520716211 is an apocalyptic number.

133520716211 is a deficient number, since it is larger than the sum of its proper divisors (1829050981).

133520716211 is an equidigital number, since it uses as much as digits as its factorization.

133520716211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829050980.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 133520716211 in words is "one hundred thirty-three billion, five hundred twenty million, seven hundred sixteen thousand, two hundred eleven".