11124397872 has 120 divisors (see below), whose sum is σ = 37144460400. Its totient is φ = 3178393344.

The previous prime is 11124397871. The next prime is 11124397927. The reversal of 11124397872 is 27879342111.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11124397871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241597 + ... + 283932.

It is an arithmetic number, because the mean of its divisors is an integer number (309537170).

Almost surely, 2^11124397872 is an apocalyptic number.

11124397872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11124397872 is an abundant number, since it is smaller than the sum of its proper divisors (26020062528).

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

11124397872 is a wasteful number, since it uses less digits than its factorization.

11124397872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525560 (or 525541 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The spelling of 11124397872 in words is "eleven billion, one hundred twenty-four million, three hundred ninety-seven thousand, eight hundred seventy-two".