11384321860 has 48 divisors (see below), whose sum is σ = 24370536960. Its totient is φ = 4466217600.

The previous prime is 11384321857. The next prime is 11384321863. The reversal of 11384321860 is 6812348311.

It is an interprime number because it is at equal distance from previous prime (11384321857) and next prime (11384321863).

It is not an unprimeable number, because it can be changed into a prime (11384321863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214722 + ... + 262438.

It is an arithmetic number, because the mean of its divisors is an integer number (507719520).

Almost surely, 2^11384321860 is an apocalyptic number.

11384321860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11384321860 is an abundant number, since it is smaller than the sum of its proper divisors (12986215100).

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

11384321860 is a wasteful number, since it uses less digits than its factorization.

11384321860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47956 (or 47954 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 11384321860 in words is "eleven billion, three hundred eighty-four million, three hundred twenty-one thousand, eight hundred sixty".