11805280086 has 16 divisors (see below), whose sum is σ = 23649984000. Its totient is φ = 3928522728.

The previous prime is 11805280073. The next prime is 11805280093. The reversal of 11805280086 is 68008250811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638766 + ... + 1645953.

It is an arithmetic number, because the mean of its divisors is an integer number (1478124000).

Almost surely, 2^11805280086 is an apocalyptic number.

11805280086 is an abundant number, since it is smaller than the sum of its proper divisors (11844703914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11805280086 is a wasteful number, since it uses less digits than its factorization.

11805280086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285323.

The product of its (nonzero) digits is 30720, while the sum is 39.

The spelling of 11805280086 in words is "eleven billion, eight hundred five million, two hundred eighty thousand, eighty-six".