36162415561 has 2 divisors, whose sum is σ = 36162415562. Its totient is φ = 36162415560.

The previous prime is 36162415547. The next prime is 36162415591. The reversal of 36162415561 is 16551426163.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28866010000 + 7296405561 = 169900^2 + 85419^2 .

It is a cyclic number.

It is not a de Polignac number, because 36162415561 - 2⁵ = 36162415529 is a prime.

It is not a weakly prime, because it can be changed into another prime (36162415511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18081207780 + 18081207781.

It is an arithmetic number, because the mean of its divisors is an integer number (18081207781).

Almost surely, 2^36162415561 is an apocalyptic number.

It is an amenable number.

36162415561 is a deficient number, since it is larger than the sum of its proper divisors (1).

36162415561 is an equidigital number, since it uses as much as digits as its factorization.

36162415561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The spelling of 36162415561 in words is "thirty-six billion, one hundred sixty-two million, four hundred fifteen thousand, five hundred sixty-one".