36636541061 has 2 divisors, whose sum is σ = 36636541062. Its totient is φ = 36636541060.

The previous prime is 36636541043. The next prime is 36636541063. The reversal of 36636541061 is 16014563663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33419496100 + 3217044961 = 182810^2 + 56719^2 .

It is a cyclic number.

It is not a de Polignac number, because 36636541061 - 2¹⁴ = 36636524677 is a prime.

It is a super-2 number, since 2×36636541061² (a number of 22 digits) contains 22 as substring.

Together with 36636541063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36636541063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18318270530 + 18318270531.

It is an arithmetic number, because the mean of its divisors is an integer number (18318270531).

Almost surely, 2^36636541061 is an apocalyptic number.

It is an amenable number.

36636541061 is a deficient number, since it is larger than the sum of its proper divisors (1).

36636541061 is an equidigital number, since it uses as much as digits as its factorization.

36636541061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 36636541061 in words is "thirty-six billion, six hundred thirty-six million, five hundred forty-one thousand, sixty-one".