11580459091 has 8 divisors (see below), whose sum is σ = 11755100160. Its totient is φ = 11405871048.

The previous prime is 11580459089. The next prime is 11580459139. The reversal of 11580459091 is 19095408511.

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 11580459091 - 2¹ = 11580459089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11580459691) 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, 783750 + ... + 798388.

It is an arithmetic number, because the mean of its divisors is an integer number (1469387520).

Almost surely, 2^11580459091 is an apocalyptic number.

11580459091 is a deficient number, since it is larger than the sum of its proper divisors (174641069).

11580459091 is a wasteful number, since it uses less digits than its factorization.

11580459091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26513.

The product of its (nonzero) digits is 64800, while the sum is 43.

The spelling of 11580459091 in words is "eleven billion, five hundred eighty million, four hundred fifty-nine thousand, ninety-one".