36555241381 has 2 divisors, whose sum is σ = 36555241382. Its totient is φ = 36555241380.

The previous prime is 36555241369. The next prime is 36555241409. The reversal of 36555241381 is 18314255563.

36555241381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18348057025 + 18207184356 = 135455^2 + 134934^2 .

It is a cyclic number.

It is not a de Polignac number, because 36555241381 - 2¹¹ = 36555239333 is a prime.

It is a super-2 number, since 2×36555241381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36555241351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18277620690 + 18277620691.

It is an arithmetic number, because the mean of its divisors is an integer number (18277620691).

Almost surely, 2^36555241381 is an apocalyptic number.

It is an amenable number.

36555241381 is a deficient number, since it is larger than the sum of its proper divisors (1).

36555241381 is an equidigital number, since it uses as much as digits as its factorization.

36555241381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 43.

The spelling of 36555241381 in words is "thirty-six billion, five hundred fifty-five million, two hundred forty-one thousand, three hundred eighty-one".