11709430808 has 72 divisors (see below), whose sum is σ = 23641260300. Its totient is φ = 5422079520.

The previous prime is 11709430771. The next prime is 11709430819. The reversal of 11709430808 is 80803490711.

It is a super-2 number, since 2×11709430808² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89384903 + ... + 89385033.

Almost surely, 2^11709430808 is an apocalyptic number.

It is an amenable number.

11709430808 is an abundant number, since it is smaller than the sum of its proper divisors (11931829492).

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

11709430808 is an equidigital number, since it uses as much as digits as its factorization.

11709430808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 11709430808 in words is "eleven billion, seven hundred nine million, four hundred thirty thousand, eight hundred eight".