36522827181 has 20 divisors (see below), whose sum is σ = 55059343900. Its totient is φ = 24125164416.

The previous prime is 36522827179. The next prime is 36522827189. The reversal of 36522827181 is 18172822563.

36522827181 is a `hidden beast` number, since 36 + 522 + 82 + 7 + 18 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32887822500 + 3635004681 = 181350^2 + 60291^2 .

It is not a de Polignac number, because 36522827181 - 2¹ = 36522827179 is a prime.

It is a super-2 number, since 2×36522827181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36522827189) 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 19 ways as a sum of consecutive naturals, for example, 2059516 + ... + 2077173.

It is an arithmetic number, because the mean of its divisors is an integer number (2752967195).

Almost surely, 2^36522827181 is an apocalyptic number.

It is an amenable number.

36522827181 is a deficient number, since it is larger than the sum of its proper divisors (18536516719).

36522827181 is a wasteful number, since it uses less digits than its factorization.

36522827181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136810 (or 4136801 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 36522827181 in words is "thirty-six billion, five hundred twenty-two million, eight hundred twenty-seven thousand, one hundred eighty-one".