11530302240 has 48 divisors (see below), whose sum is σ = 36320453568. Its totient is φ = 3074747136.

The previous prime is 11530302239. The next prime is 11530302257. The reversal of 11530302240 is 4220303511.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×11530302240³ (a number of 31 digits) contains 333 as substring.

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, 12010252 + ... + 12011211.

It is an arithmetic number, because the mean of its divisors is an integer number (756676116).

Almost surely, 2^11530302240 is an apocalyptic number.

11530302240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11530302240 is an abundant number, since it is smaller than the sum of its proper divisors (24790151328).

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

11530302240 is a wasteful number, since it uses less digits than its factorization.

11530302240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24021481 (or 24021473 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 11530302240 its reverse (4220303511), we get a palindrome (15750605751).

The spelling of 11530302240 in words is "eleven billion, five hundred thirty million, three hundred two thousand, two hundred forty".