133523566151161 has 8 divisors (see below), whose sum is σ = 140598945093600. Its totient is φ = 126452969491680.

The previous prime is 133523566151159. The next prime is 133523566151167. The reversal of 133523566151161 is 161151665325331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133523566151161 - 2¹ = 133523566151159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133523566151167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195513420 + ... + 1195625101.

It is an arithmetic number, because the mean of its divisors is an integer number (17574868136700).

Almost surely, 2^{133523566151161} is an apocalyptic number.

It is an amenable number.

133523566151161 is a deficient number, since it is larger than the sum of its proper divisors (7075378942439).

133523566151161 is a wasteful number, since it uses less digits than its factorization.

133523566151161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391141479.

The product of its digits is 1458000, while the sum is 49.

The spelling of 133523566151161 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, five hundred sixty-six million, one hundred fifty-one thousand, one hundred sixty-one".