36556485191 has 2 divisors, whose sum is σ = 36556485192. Its totient is φ = 36556485190.

The previous prime is 36556485139. The next prime is 36556485197. The reversal of 36556485191 is 19158465563.

It is a happy number.

36556485191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (19158465563) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36556485191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36556485197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18278242595 + 18278242596.

It is an arithmetic number, because the mean of its divisors is an integer number (18278242596).

Almost surely, 2^36556485191 is an apocalyptic number.

36556485191 is a deficient number, since it is larger than the sum of its proper divisors (1).

36556485191 is an equidigital number, since it uses as much as digits as its factorization.

36556485191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 53.

It can be divided in two parts, 3655 and 6485191, that added together give a palindrome (6488846).

The spelling of 36556485191 in words is "thirty-six billion, five hundred fifty-six million, four hundred eighty-five thousand, one hundred ninety-one".