11391904848 has 20 divisors (see below), whose sum is σ = 29429087648. Its totient is φ = 3797301600.

The previous prime is 11391904829. The next prime is 11391904883. The reversal of 11391904848 is 84840919311.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 237331351 = 11391904848 / (1 + 1 + 3 + 9 + 1 + 9 + 0 + 4 + 8 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 11391904797 and 11391904806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118665628 + ... + 118665723.

Almost surely, 2^11391904848 is an apocalyptic number.

It is an amenable number.

11391904848 is an abundant number, since it is smaller than the sum of its proper divisors (18037182800).

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

11391904848 is a wasteful number, since it uses less digits than its factorization.

11391904848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237331362 (or 237331356 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 11391904848 in words is "eleven billion, three hundred ninety-one million, nine hundred four thousand, eight hundred forty-eight".