36551564191 has 2 divisors, whose sum is σ = 36551564192. Its totient is φ = 36551564190.

The previous prime is 36551564177. The next prime is 36551564209. The reversal of 36551564191 is 19146515563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36551564191 - 2⁹ = 36551563679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36551564131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18275782095 + 18275782096.

It is an arithmetic number, because the mean of its divisors is an integer number (18275782096).

Almost surely, 2^36551564191 is an apocalyptic number.

36551564191 is a deficient number, since it is larger than the sum of its proper divisors (1).

36551564191 is an equidigital number, since it uses as much as digits as its factorization.

36551564191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 46.

The spelling of 36551564191 in words is "thirty-six billion, five hundred fifty-one million, five hundred sixty-four thousand, one hundred ninety-one".