11532264240 has 80 divisors (see below), whose sum is σ = 40857170688. Its totient is φ = 2635945728.

The previous prime is 11532264209. The next prime is 11532264241. The reversal of 11532264240 is 4246223511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11532264198 and 11532264207.

It is not an unprimeable number, because it can be changed into a prime (11532264241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3430542 + ... + 3433901.

Almost surely, 2^11532264240 is an apocalyptic number.

11532264240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532264240 is an abundant number, since it is smaller than the sum of its proper divisors (29324906448).

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

11532264240 is a wasteful number, since it uses less digits than its factorization.

11532264240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864466 (or 6864460 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 11532264240 its reverse (4246223511), we get a palindrome (15778487751).

The spelling of 11532264240 in words is "eleven billion, five hundred thirty-two million, two hundred sixty-four thousand, two hundred forty".