11325231520 has 24 divisors (see below), whose sum is σ = 26755859844. Its totient is φ = 4530092544.

The previous prime is 11325231473. The next prime is 11325231521. The reversal of 11325231520 is 2513252311.

It can be written as a sum of positive squares in 2 ways, for example, as 11140380304 + 184851216 = 105548^2 + 13596^2 .

It is not an unprimeable number, because it can be changed into a prime (11325231521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35391189 + ... + 35391508.

Almost surely, 2^11325231520 is an apocalyptic number.

11325231520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11325231520 is an abundant number, since it is smaller than the sum of its proper divisors (15430628324).

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

11325231520 is an equidigital number, since it uses as much as digits as its factorization.

11325231520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70782712 (or 70782704 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11325231520 its reverse (2513252311), we get a palindrome (13838483831).

The spelling of 11325231520 in words is "eleven billion, three hundred twenty-five million, two hundred thirty-one thousand, five hundred twenty".