561264748995 has 8 divisors (see below), whose sum is σ = 898023598416. Its totient is φ = 299341199456.

The previous prime is 561264748931. The next prime is 561264749053. The reversal of 561264748995 is 599847462165.

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 561264748995 - 2⁶ = 561264748931 is a prime.

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, 18708824952 + ... + 18708824981.

It is an arithmetic number, because the mean of its divisors is an integer number (112252949802).

Almost surely, 2^561264748995 is an apocalyptic number.

561264748995 is a deficient number, since it is larger than the sum of its proper divisors (336758849421).

561264748995 is a wasteful number, since it uses less digits than its factorization.

561264748995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37417649941.

The product of its digits is 130636800, while the sum is 66.

The spelling of 561264748995 in words is "five hundred sixty-one billion, two hundred sixty-four million, seven hundred forty-eight thousand, nine hundred ninety-five".