136566044411 has 4 divisors (see below), whose sum is σ = 136567831752. Its totient is φ = 136564257072.

The previous prime is 136566044389. The next prime is 136566044413. The reversal of 136566044411 is 114440665631.

It is a happy number.

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 136566044411 - 2¹⁸ = 136565782267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136566044413) 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, 773690 + ... + 933663.

It is an arithmetic number, because the mean of its divisors is an integer number (34141957938).

Almost surely, 2^136566044411 is an apocalyptic number.

136566044411 is a deficient number, since it is larger than the sum of its proper divisors (1787341).

136566044411 is an equidigital number, since it uses as much as digits as its factorization.

136566044411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787340.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 136566044411 in words is "one hundred thirty-six billion, five hundred sixty-six million, forty-four thousand, four hundred eleven".