581914820011 has 8 divisors (see below), whose sum is σ = 667517798880. Its totient is φ = 496929913728.

The previous prime is 581914819961. The next prime is 581914820063. The reversal of 581914820011 is 110028419185.

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 581914820011 - 2¹¹ = 581914817963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (581914820411) 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, 154516126 + ... + 154519891.

It is an arithmetic number, because the mean of its divisors is an integer number (83439724860).

Almost surely, 2^581914820011 is an apocalyptic number.

581914820011 is a deficient number, since it is larger than the sum of its proper divisors (85602978869).

581914820011 is a wasteful number, since it uses less digits than its factorization.

581914820011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309036293.

The product of its (nonzero) digits is 23040, while the sum is 40.

The spelling of 581914820011 in words is "five hundred eighty-one billion, nine hundred fourteen million, eight hundred twenty thousand, eleven".