11152432240 has 40 divisors (see below), whose sum is σ = 25976060640. Its totient is φ = 4452946176.

The previous prime is 11152432231. The next prime is 11152432243. The reversal of 11152432240 is 4223425111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152432243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80580 + ... + 169699.

It is an arithmetic number, because the mean of its divisors is an integer number (649401516).

Almost surely, 2^11152432240 is an apocalyptic number.

11152432240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11152432240 is an abundant number, since it is smaller than the sum of its proper divisors (14823628400).

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

11152432240 is a wasteful number, since it uses less digits than its factorization.

11152432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250849 (or 250843 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11152432240 its reverse (4223425111), we get a palindrome (15375857351).

The spelling of 11152432240 in words is "eleven billion, one hundred fifty-two million, four hundred thirty-two thousand, two hundred forty".