11113504400 has 60 divisors (see below), whose sum is σ = 27098770032. Its totient is φ = 4379041920.

The previous prime is 11113504399. The next prime is 11113504411. The reversal of 11113504400 is 440531111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 180542 + ... + 234141.

Almost surely, 2^11113504400 is an apocalyptic number.

11113504400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113504400 is an abundant number, since it is smaller than the sum of its proper divisors (15985265632).

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

11113504400 is a wasteful number, since it uses less digits than its factorization.

11113504400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414768 (or 414757 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The spelling of 11113504400 in words is "eleven billion, one hundred thirteen million, five hundred four thousand, four hundred".