36255564161 has 4 divisors (see below), whose sum is σ = 36267648324. Its totient is φ = 36243480000.

The previous prime is 36255564157. The next prime is 36255564167. The reversal of 36255564161 is 16146555263.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28845625600 + 7409938561 = 169840^2 + 86081^2 .

It is a cyclic number.

It is not a de Polignac number, because 36255564161 - 2² = 36255564157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36255564167) 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, 6037580 + ... + 6043581.

It is an arithmetic number, because the mean of its divisors is an integer number (9066912081).

Almost surely, 2^36255564161 is an apocalyptic number.

It is an amenable number.

36255564161 is a deficient number, since it is larger than the sum of its proper divisors (12084163).

36255564161 is a wasteful number, since it uses less digits than its factorization.

36255564161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084162.

The product of its digits is 648000, while the sum is 44.

The spelling of 36255564161 in words is "thirty-six billion, two hundred fifty-five million, five hundred sixty-four thousand, one hundred sixty-one".