36201043902181 has 2 divisors, whose sum is σ = 36201043902182. Its totient is φ = 36201043902180.

The previous prime is 36201043902077. The next prime is 36201043902227. The reversal of 36201043902181 is 18120934010263.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26777623584100 + 9423420318081 = 5174710^2 + 3069759^2 .

It is a cyclic number.

It is not a de Polignac number, because 36201043902181 - 2²⁷ = 36200909684453 is a prime.

It is a super-2 number, since 2×36201043902181² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36201043903181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18100521951090 + 18100521951091.

It is an arithmetic number, because the mean of its divisors is an integer number (18100521951091).

Almost surely, 2^{36201043902181} is an apocalyptic number.

It is an amenable number.

36201043902181 is a deficient number, since it is larger than the sum of its proper divisors (1).

36201043902181 is an equidigital number, since it uses as much as digits as its factorization.

36201043902181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 36201043902181 in words is "thirty-six trillion, two hundred one billion, forty-three million, nine hundred two thousand, one hundred eighty-one".