4520404334561 has 8 divisors (see below), whose sum is σ = 4522098207744. Its totient is φ = 4518710696880.

The previous prime is 4520404334489. The next prime is 4520404334599. The reversal of 4520404334561 is 1654334040254.

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 4520404334561 - 2²² = 4520400140257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520404334461) 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, 44483936 + ... + 44585438.

It is an arithmetic number, because the mean of its divisors is an integer number (565262275968).

Almost surely, 2^{4520404334561} is an apocalyptic number.

It is an amenable number.

4520404334561 is a deficient number, since it is larger than the sum of its proper divisors (1693873183).

4520404334561 is a wasteful number, since it uses less digits than its factorization.

4520404334561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117751.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 4520404334561 in words is "four trillion, five hundred twenty billion, four hundred four million, three hundred thirty-four thousand, five hundred sixty-one".