36155855849 has 2 divisors, whose sum is σ = 36155855850. Its totient is φ = 36155855848.

The previous prime is 36155855809. The next prime is 36155855891. The reversal of 36155855849 is 94855855163.

36155855849 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., 34386139225 + 1769716624 = 185435^2 + 42068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36155855849 is a prime.

It is not a weakly prime, because it can be changed into another prime (36155855809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18077927924 + 18077927925.

It is an arithmetic number, because the mean of its divisors is an integer number (18077927925).

Almost surely, 2^36155855849 is an apocalyptic number.

It is an amenable number.

36155855849 is a deficient number, since it is larger than the sum of its proper divisors (1).

36155855849 is an equidigital number, since it uses as much as digits as its factorization.

36155855849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920000, while the sum is 59.

The spelling of 36155855849 in words is "thirty-six billion, one hundred fifty-five million, eight hundred fifty-five thousand, eight hundred forty-nine".