11531009882 has 8 divisors (see below), whose sum is σ = 19767445536. Its totient is φ = 4941861372.

The previous prime is 11531009881. The next prime is 11531009909. The reversal of 11531009882 is 28890013511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11531009881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411821768 + ... + 411821795.

It is an arithmetic number, because the mean of its divisors is an integer number (2470930692).

Almost surely, 2^11531009882 is an apocalyptic number.

11531009882 is a deficient number, since it is larger than the sum of its proper divisors (8236435654).

11531009882 is an equidigital number, since it uses as much as digits as its factorization.

11531009882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823643572.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 11531009882 in words is "eleven billion, five hundred thirty-one million, nine thousand, eight hundred eighty-two".