11112400240 has 40 divisors (see below), whose sum is σ = 26221960080. Its totient is φ = 4378615296.

The previous prime is 11112400207. The next prime is 11112400267. The reversal of 11112400240 is 4200421111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031245 + ... + 1041964.

It is an arithmetic number, because the mean of its divisors is an integer number (655549002).

Almost surely, 2^11112400240 is an apocalyptic number.

11112400240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112400240 is an abundant number, since it is smaller than the sum of its proper divisors (15109559840).

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

11112400240 is a wasteful number, since it uses less digits than its factorization.

11112400240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073289 (or 2073283 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11112400240 its reverse (4200421111), we get a palindrome (15312821351).

The spelling of 11112400240 in words is "eleven billion, one hundred twelve million, four hundred thousand, two hundred forty".