11391727908 has 24 divisors (see below), whose sum is σ = 28997125920. Its totient is φ = 3452038720.

The previous prime is 11391727901. The next prime is 11391727933. The reversal of 11391727908 is 80972719311.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11391727901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43150353 + ... + 43150616.

It is an arithmetic number, because the mean of its divisors is an integer number (1208213580).

Almost surely, 2^11391727908 is an apocalyptic number.

It is an amenable number.

11391727908 is an abundant number, since it is smaller than the sum of its proper divisors (17605398012).

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

11391727908 is a wasteful number, since it uses less digits than its factorization.

11391727908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86300987 (or 86300985 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 48.

The spelling of 11391727908 in words is "eleven billion, three hundred ninety-one million, seven hundred twenty-seven thousand, nine hundred eight".