36865731611 has 2 divisors, whose sum is σ = 36865731612. Its totient is φ = 36865731610.

The previous prime is 36865731593. The next prime is 36865731613. The reversal of 36865731611 is 11613756863.

36865731611 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36865731611 is a prime.

Together with 36865731613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36865731613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18432865805 + 18432865806.

It is an arithmetic number, because the mean of its divisors is an integer number (18432865806).

Almost surely, 2^36865731611 is an apocalyptic number.

36865731611 is a deficient number, since it is larger than the sum of its proper divisors (1).

36865731611 is an equidigital number, since it uses as much as digits as its factorization.

36865731611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The spelling of 36865731611 in words is "thirty-six billion, eight hundred sixty-five million, seven hundred thirty-one thousand, six hundred eleven".