133560441556401 has 4 divisors (see below), whose sum is σ = 178080588741872. Its totient is φ = 89040294370932.

The previous prime is 133560441556331. The next prime is 133560441556403. The reversal of 133560441556401 is 104655144065331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133560441556401 - 2¹⁷ = 133560441425329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133560441556403) 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, 22260073592731 + ... + 22260073592736.

It is an arithmetic number, because the mean of its divisors is an integer number (44520147185468).

Almost surely, 2^{133560441556401} is an apocalyptic number.

It is an amenable number.

133560441556401 is a deficient number, since it is larger than the sum of its proper divisors (44520147185471).

133560441556401 is an equidigital number, since it uses as much as digits as its factorization.

133560441556401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44520147185470.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 133560441556401 in words is "one hundred thirty-three trillion, five hundred sixty billion, four hundred forty-one million, five hundred fifty-six thousand, four hundred one".