11388223680 has 112 divisors (see below), whose sum is σ = 37729753344. Its totient is φ = 2904816640.

The previous prime is 11388223633. The next prime is 11388223681. The reversal of 11388223680 is 8632288311.

It is not an unprimeable number, because it can be changed into a prime (11388223681) 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, 235806 + ... + 279965.

Almost surely, 2^11388223680 is an apocalyptic number.

11388223680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11388223680 is an abundant number, since it is smaller than the sum of its proper divisors (26341529664).

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

11388223680 is a wasteful number, since it uses less digits than its factorization.

11388223680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515814 (or 515804 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 11388223680 in words is "eleven billion, three hundred eighty-eight million, two hundred twenty-three thousand, six hundred eighty".