11809596830 has 32 divisors (see below), whose sum is σ = 21362616000. Its totient is φ = 4700472832.

The previous prime is 11809596829. The next prime is 11809596857. The reversal of 11809596830 is 3869590811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2914646 + ... + 2918694.

It is an arithmetic number, because the mean of its divisors is an integer number (667581750).

Almost surely, 2^11809596830 is an apocalyptic number.

11809596830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11809596830 is a deficient number, since it is larger than the sum of its proper divisors (9553019170).

11809596830 is a wasteful number, since it uses less digits than its factorization.

11809596830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 11809596830 in words is "eleven billion, eight hundred nine million, five hundred ninety-six thousand, eight hundred thirty".