8010894005561 has 8 divisors (see below), whose sum is σ = 8071092469440. Its totient is φ = 7950841125808.

The previous prime is 8010894005537. The next prime is 8010894005629. The reversal of 8010894005561 is 1655004980108.

It is a happy number.

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 8010894005561 - 2³⁴ = 7993714136377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8010894005861) 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, 36285566 + ... + 36505671.

It is an arithmetic number, because the mean of its divisors is an integer number (1008886558680).

Almost surely, 2^{8010894005561} is an apocalyptic number.

It is an amenable number.

8010894005561 is a deficient number, since it is larger than the sum of its proper divisors (60198463879).

8010894005561 is a wasteful number, since it uses less digits than its factorization.

8010894005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72792063.

The product of its (nonzero) digits is 345600, while the sum is 47.

Adding to 8010894005561 its reverse (1655004980108), we get a palindrome (9665898985669).

The spelling of 8010894005561 in words is "eight trillion, ten billion, eight hundred ninety-four million, five thousand, five hundred sixty-one".