11208481872 has 60 divisors (see below), whose sum is σ = 33682638816. Its totient is φ = 3202422720.

The previous prime is 11208481847. The next prime is 11208481913. The reversal of 11208481872 is 27818480211.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2380404 + ... + 2385107.

Almost surely, 2^11208481872 is an apocalyptic number.

11208481872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11208481872 is an abundant number, since it is smaller than the sum of its proper divisors (22474156944).

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

11208481872 is a wasteful number, since it uses less digits than its factorization.

11208481872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765536 (or 4765523 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 42.

The spelling of 11208481872 in words is "eleven billion, two hundred eight million, four hundred eighty-one thousand, eight hundred seventy-two".