133566212542115 has 4 divisors (see below), whose sum is σ = 160279455050544. Its totient is φ = 106852970033688.

The previous prime is 133566212542111. The next prime is 133566212542121. The reversal of 133566212542115 is 511245212665331.

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

It is a cyclic number.

It is not a de Polignac number, because 133566212542115 - 2² = 133566212542111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133566212542115.

It is not an unprimeable number, because it can be changed into a prime (133566212542111) 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, 13356621254207 + ... + 13356621254216.

It is an arithmetic number, because the mean of its divisors is an integer number (40069863762636).

Almost surely, 2^{133566212542115} is an apocalyptic number.

133566212542115 is a deficient number, since it is larger than the sum of its proper divisors (26713242508429).

133566212542115 is an equidigital number, since it uses as much as digits as its factorization.

133566212542115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26713242508428.

The product of its digits is 1296000, while the sum is 47.

The spelling of 133566212542115 in words is "one hundred thirty-three trillion, five hundred sixty-six billion, two hundred twelve million, five hundred forty-two thousand, one hundred fifteen".