11818840448 has 32 divisors (see below), whose sum is σ = 23573166960. Its totient is φ = 5902437888.

The previous prime is 11818840447. The next prime is 11818840459. The reversal of 11818840448 is 84404881811.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11818840447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55061 + ... + 163307.

Almost surely, 2^11818840448 is an apocalyptic number.

It is an amenable number.

11818840448 is a deficient number, since it is larger than the sum of its proper divisors (11754326512).

11818840448 is an equidigital number, since it uses as much as digits as its factorization.

11818840448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109114 (or 109102 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 47.

The spelling of 11818840448 in words is "eleven billion, eight hundred eighteen million, eight hundred forty thousand, four hundred forty-eight".