11391611384 has 32 divisors (see below), whose sum is σ = 21443562000. Its totient is φ = 5673376512.

The previous prime is 11391611369. The next prime is 11391611389. The reversal of 11391611384 is 48311619311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11391611389) 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, 2290052 + ... + 2295020.

Almost surely, 2^11391611384 is an apocalyptic number.

It is an amenable number.

11391611384 is a deficient number, since it is larger than the sum of its proper divisors (10051950616).

11391611384 is a wasteful number, since it uses less digits than its factorization.

11391611384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047 (or 6043 counting only the distinct ones).

The product of its digits is 15552, while the sum is 38.

The spelling of 11391611384 in words is "eleven billion, three hundred ninety-one million, six hundred eleven thousand, three hundred eighty-four".