11113024520 has 32 divisors (see below), whose sum is σ = 26927714520. Its totient is φ = 4103270400.

The previous prime is 11113024487. The next prime is 11113024523. The reversal of 11113024520 is 2542031111.

It can be written as a sum of positive squares in 4 ways, for example, as 3643571044 + 7469453476 = 60362^2 + 86426^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11113024492 and 11113024501.

It is not an unprimeable number, because it can be changed into a prime (11113024523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10685081 + ... + 10686120.

Almost surely, 2^11113024520 is an apocalyptic number.

11113024520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113024520 is an abundant number, since it is smaller than the sum of its proper divisors (15814690000).

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

11113024520 is a wasteful number, since it uses less digits than its factorization.

11113024520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21371225 (or 21371221 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11113024520 its reverse (2542031111), we get a palindrome (13655055631).

The spelling of 11113024520 in words is "eleven billion, one hundred thirteen million, twenty-four thousand, five hundred twenty".