36581064123 has 4 divisors (see below), whose sum is σ = 48774752168. Its totient is φ = 24387376080.

The previous prime is 36581064119. The next prime is 36581064161. The reversal of 36581064123 is 32146018563.

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

It is not a de Polignac number, because 36581064123 - 2² = 36581064119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36581064193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6096844018 + ... + 6096844023.

It is an arithmetic number, because the mean of its divisors is an integer number (12193688042).

Almost surely, 2^36581064123 is an apocalyptic number.

36581064123 is a deficient number, since it is larger than the sum of its proper divisors (12193688045).

36581064123 is a wasteful number, since it uses less digits than its factorization.

36581064123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12193688044.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 36581064123 in words is "thirty-six billion, five hundred eighty-one million, sixty-four thousand, one hundred twenty-three".