11628871187 has 8 divisors (see below), whose sum is σ = 12005700480. Its totient is φ = 11252148480.

The previous prime is 11628871171. The next prime is 11628871193. The reversal of 11628871187 is 78117882611.

11628871187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11628871187 - 2⁴ = 11628871171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11628871687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236489 + ... + 281397.

It is an arithmetic number, because the mean of its divisors is an integer number (1500712560).

Almost surely, 2^11628871187 is an apocalyptic number.

11628871187 is a deficient number, since it is larger than the sum of its proper divisors (376829293).

11628871187 is an equidigital number, since it uses as much as digits as its factorization.

11628871187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53293.

The product of its digits is 301056, while the sum is 50.

The spelling of 11628871187 in words is "eleven billion, six hundred twenty-eight million, eight hundred seventy-one thousand, one hundred eighty-seven".