26561504846 has 8 divisors (see below), whose sum is σ = 39848541840. Its totient is φ = 13278657568.

The previous prime is 26561504839. The next prime is 26561504881. The reversal of 26561504846 is 64840516562.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26561504846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031531 + ... + 1056966.

It is an arithmetic number, because the mean of its divisors is an integer number (4981067730).

Almost surely, 2^26561504846 is an apocalyptic number.

26561504846 is a deficient number, since it is larger than the sum of its proper divisors (13287036994).

26561504846 is a wasteful number, since it uses less digits than its factorization.

26561504846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094858.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 26561504846 in words is "twenty-six billion, five hundred sixty-one million, five hundred four thousand, eight hundred forty-six".