36021131617 has 2 divisors, whose sum is σ = 36021131618. Its totient is φ = 36021131616.

The previous prime is 36021131603. The next prime is 36021131669. The reversal of 36021131617 is 71613112063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34500833536 + 1520298081 = 185744^2 + 38991^2 .

It is a cyclic number.

It is not a de Polignac number, because 36021131617 - 2³⁵ = 1661393249 is a prime.

It is not a weakly prime, because it can be changed into another prime (36021131117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18010565808 + 18010565809.

It is an arithmetic number, because the mean of its divisors is an integer number (18010565809).

Almost surely, 2^36021131617 is an apocalyptic number.

It is an amenable number.

36021131617 is a deficient number, since it is larger than the sum of its proper divisors (1).

36021131617 is an equidigital number, since it uses as much as digits as its factorization.

36021131617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 36021131617 in words is "thirty-six billion, twenty-one million, one hundred thirty-one thousand, six hundred seventeen".