21560315106473 has 8 divisors (see below), whose sum is σ = 25329600964416. Its totient is φ = 18092572117200.

The previous prime is 21560315106403. The next prime is 21560315106479. The reversal of 21560315106473 is 37460151306512.

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 21560315106473 - 2²² = 21560310912169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21560315106479) 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, 75385717013 + ... + 75385717298.

It is an arithmetic number, because the mean of its divisors is an integer number (3166200120552).

Almost surely, 2^{21560315106473} is an apocalyptic number.

It is an amenable number.

21560315106473 is a deficient number, since it is larger than the sum of its proper divisors (3769285857943).

21560315106473 is a wasteful number, since it uses less digits than its factorization.

21560315106473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150771434335.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 21560315106473 in words is "twenty-one trillion, five hundred sixty billion, three hundred fifteen million, one hundred six thousand, four hundred seventy-three".