11240120240 has 40 divisors (see below), whose sum is σ = 27269513568. Its totient is φ = 4300567040.

The previous prime is 11240120207. The next prime is 11240120257. The reversal of 11240120240 is 4202104211.

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

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, 3052541 + ... + 3056220.

Almost surely, 2^11240120240 is an apocalyptic number.

11240120240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11240120240 is an abundant number, since it is smaller than the sum of its proper divisors (16029393328).

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

11240120240 is a wasteful number, since it uses less digits than its factorization.

11240120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108797 (or 6108791 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11240120240 its reverse (4202104211), we get a palindrome (15442224451).

The spelling of 11240120240 in words is "eleven billion, two hundred forty million, one hundred twenty thousand, two hundred forty".