36336544121 has 2 divisors, whose sum is σ = 36336544122. Its totient is φ = 36336544120.

The previous prime is 36336544117. The next prime is 36336544163. The reversal of 36336544121 is 12144563363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18235801600 + 18100742521 = 135040^2 + 134539^2 .

It is a cyclic number.

It is not a de Polignac number, because 36336544121 - 2² = 36336544117 is a prime.

It is not a weakly prime, because it can be changed into another prime (36336549121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18168272060 + 18168272061.

It is an arithmetic number, because the mean of its divisors is an integer number (18168272061).

Almost surely, 2^36336544121 is an apocalyptic number.

It is an amenable number.

36336544121 is a deficient number, since it is larger than the sum of its proper divisors (1).

36336544121 is an equidigital number, since it uses as much as digits as its factorization.

36336544121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The spelling of 36336544121 in words is "thirty-six billion, three hundred thirty-six million, five hundred forty-four thousand, one hundred twenty-one".