36047681858161 has 4 divisors (see below), whose sum is σ = 36047694901824. Its totient is φ = 36047668814500.

The previous prime is 36047681858113. The next prime is 36047681858171. The reversal of 36047681858161 is 16185818674063.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 36047681858161 - 2¹⁷ = 36047681727089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36047681858093 and 36047681858102.

It is not an unprimeable number, because it can be changed into a prime (36047681858101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559405 + ... + 8509306.

It is an arithmetic number, because the mean of its divisors is an integer number (9011923725456).

Almost surely, 2^{36047681858161} is an apocalyptic number.

It is an amenable number.

36047681858161 is a deficient number, since it is larger than the sum of its proper divisors (13043663).

36047681858161 is an equidigital number, since it uses as much as digits as its factorization.

36047681858161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043662.

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 36047681858161 in words is "thirty-six trillion, forty-seven billion, six hundred eighty-one million, eight hundred fifty-eight thousand, one hundred sixty-one".