611632665245 has 8 divisors (see below), whose sum is σ = 838810512384. Its totient is φ = 419405256144.

The previous prime is 611632665239. The next prime is 611632665289. The reversal of 611632665245 is 542566236116.

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

It is not a de Polignac number, because 611632665245 - 2⁶ = 611632665181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 611632665245.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 8737609469 + ... + 8737609538.

It is an arithmetic number, because the mean of its divisors is an integer number (104851314048).

Almost surely, 2^611632665245 is an apocalyptic number.

It is an amenable number.

611632665245 is a deficient number, since it is larger than the sum of its proper divisors (227177847139).

611632665245 is a wasteful number, since it uses less digits than its factorization.

611632665245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17475219019.

The product of its digits is 1555200, while the sum is 47.

The spelling of 611632665245 in words is "six hundred eleven billion, six hundred thirty-two million, six hundred sixty-five thousand, two hundred forty-five".