36161935871 has 4 divisors (see below), whose sum is σ = 36162519000. Its totient is φ = 36161352744.

The previous prime is 36161935861. The next prime is 36161935897. The reversal of 36161935871 is 17853916163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17853916163 = 359 ⋅49732357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36161935871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36161935841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185741 + ... + 326838.

It is an arithmetic number, because the mean of its divisors is an integer number (9040629750).

Almost surely, 2^36161935871 is an apocalyptic number.

36161935871 is a deficient number, since it is larger than the sum of its proper divisors (583129).

36161935871 is an equidigital number, since it uses as much as digits as its factorization.

36161935871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583128.

The product of its digits is 816480, while the sum is 50.

The spelling of 36161935871 in words is "thirty-six billion, one hundred sixty-one million, nine hundred thirty-five thousand, eight hundred seventy-one".