36665728355001 has 8 divisors (see below), whose sum is σ = 51460671375520. Its totient is φ = 23157302118912.

The previous prime is 36665728354949. The next prime is 36665728355033. The reversal of 36665728355001 is 10055382756663.

It is a happy number.

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

It is not a de Polignac number, because 36665728355001 - 2¹⁰ = 36665728353977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 643258392193 = 36665728355001 / (3 + 6 + 6 + 6 + 5 + 7 + 2 + 8 + 3 + 5 + 5 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36665728355041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321629196040 + ... + 321629196153.

It is an arithmetic number, because the mean of its divisors is an integer number (6432583921940).

Almost surely, 2^{36665728355001} is an apocalyptic number.

It is an amenable number.

36665728355001 is a deficient number, since it is larger than the sum of its proper divisors (14794943020519).

36665728355001 is a wasteful number, since it uses less digits than its factorization.

36665728355001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643258392215.

The product of its (nonzero) digits is 27216000, while the sum is 57.

The spelling of 36665728355001 in words is "thirty-six trillion, six hundred sixty-five billion, seven hundred twenty-eight million, three hundred fifty-five thousand, one".