21113365364626 has 8 divisors (see below), whose sum is σ = 31853111909004. Its totient is φ = 10495661394960.

The previous prime is 21113365364599. The next prime is 21113365364659. The reversal of 21113365364626 is 62646356331112.

It can be written as a sum of positive squares in 2 ways, for example, as 20008131572025 + 1105233792601 = 4473045^2 + 1051301^2 .

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 21113365364626.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30510643245 + ... + 30510643936.

Almost surely, 2^{21113365364626} is an apocalyptic number.

21113365364626 is a deficient number, since it is larger than the sum of its proper divisors (10739746544378).

21113365364626 is a wasteful number, since it uses less digits than its factorization.

21113365364626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61021287356.

The product of its digits is 2799360, while the sum is 49.

The spelling of 21113365364626 in words is "twenty-one trillion, one hundred thirteen billion, three hundred sixty-five million, three hundred sixty-four thousand, six hundred twenty-six".