36566456543 has 2 divisors, whose sum is σ = 36566456544. Its totient is φ = 36566456542.

The previous prime is 36566456501. The next prime is 36566456557. The reversal of 36566456543 is 34565466563.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36566456543 - 2⁸ = 36566456287 is a prime.

It is a super-2 number, since 2×36566456543² (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 (36566456743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18283228271 + 18283228272.

It is an arithmetic number, because the mean of its divisors is an integer number (18283228272).

Almost surely, 2^36566456543 is an apocalyptic number.

36566456543 is a deficient number, since it is larger than the sum of its proper divisors (1).

36566456543 is an equidigital number, since it uses as much as digits as its factorization.

36566456543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328000, while the sum is 53.

The spelling of 36566456543 in words is "thirty-six billion, five hundred sixty-six million, four hundred fifty-six thousand, five hundred forty-three".