36615775403665 has 8 divisors (see below), whose sum is σ = 44233822636200. Its totient is φ = 29096025555072.

The previous prime is 36615775403659. The next prime is 36615775403699. The reversal of 36615775403665 is 56630457751663.

It can be written as a sum of positive squares in 4 ways, for example, as 53291260801 + 36562484142864 = 230849^2 + 6046692^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36615775403665 - 2³ = 36615775403657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36615775403597 and 36615775403606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24574345164 + ... + 24574346653.

It is an arithmetic number, because the mean of its divisors is an integer number (5529227829525).

Almost surely, 2^{36615775403665} is an apocalyptic number.

It is an amenable number.

36615775403665 is a deficient number, since it is larger than the sum of its proper divisors (7618047232535).

36615775403665 is a wasteful number, since it uses less digits than its factorization.

36615775403665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49148691971.

The product of its (nonzero) digits is 285768000, while the sum is 64.

The spelling of 36615775403665 in words is "thirty-six trillion, six hundred fifteen billion, seven hundred seventy-five million, four hundred three thousand, six hundred sixty-five".