36521366117 has 2 divisors, whose sum is σ = 36521366118. Its totient is φ = 36521366116.

The previous prime is 36521366111. The next prime is 36521366159. The reversal of 36521366117 is 71166312563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23913220321 + 12608145796 = 154639^2 + 112286^2 .

It is a cyclic number.

It is not a de Polignac number, because 36521366117 - 2¹⁶ = 36521300581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36521366111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18260683058 + 18260683059.

It is an arithmetic number, because the mean of its divisors is an integer number (18260683059).

Almost surely, 2^36521366117 is an apocalyptic number.

It is an amenable number.

36521366117 is a deficient number, since it is larger than the sum of its proper divisors (1).

36521366117 is an equidigital number, since it uses as much as digits as its factorization.

36521366117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The spelling of 36521366117 in words is "thirty-six billion, five hundred twenty-one million, three hundred sixty-six thousand, one hundred seventeen".