11515225300 has 18 divisors (see below), whose sum is σ = 24988039118. Its totient is φ = 4606090080.

The previous prime is 11515225297. The next prime is 11515225307. The reversal of 11515225300 is 352251511.

11515225300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3701018896 + 7814206404 = 60836^2 + 88398^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515225307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57576027 + ... + 57576226.

Almost surely, 2^11515225300 is an apocalyptic number.

11515225300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11515225300 is an abundant number, since it is smaller than the sum of its proper divisors (13472813818).

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

11515225300 is a wasteful number, since it uses less digits than its factorization.

11515225300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115152267 (or 115152260 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 11515225300 its reverse (352251511), we get a palindrome (11867476811).

The spelling of 11515225300 in words is "eleven billion, five hundred fifteen million, two hundred twenty-five thousand, three hundred".