36542056181 has 2 divisors, whose sum is σ = 36542056182. Its totient is φ = 36542056180.

The previous prime is 36542056163. The next prime is 36542056211. The reversal of 36542056181 is 18165024563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26221324900 + 10320731281 = 161930^2 + 101591^2 .

It is a cyclic number.

It is not a de Polignac number, because 36542056181 - 2²⁶ = 36474947317 is a prime.

It is a super-3 number, since 3×36542056181³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36542956181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18271028090 + 18271028091.

It is an arithmetic number, because the mean of its divisors is an integer number (18271028091).

Almost surely, 2^36542056181 is an apocalyptic number.

It is an amenable number.

36542056181 is a deficient number, since it is larger than the sum of its proper divisors (1).

36542056181 is an equidigital number, since it uses as much as digits as its factorization.

36542056181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 36542056181 in words is "thirty-six billion, five hundred forty-two million, fifty-six thousand, one hundred eighty-one".