13125515400224 has 12 divisors (see below), whose sum is σ = 25840858444254. Its totient is φ = 6562757700096.

The previous prime is 13125515400091. The next prime is 13125515400227. The reversal of 13125515400224 is 42200451552131.

It can be written as a sum of positive squares in only one way, i.e., 13087463875600 + 38051524624 = 3617660^2 + 195068^2 .

It is not an unprimeable number, because it can be changed into a prime (13125515400227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205086178097 + ... + 205086178160.

Almost surely, 2^{13125515400224} is an apocalyptic number.

It is an amenable number.

13125515400224 is a deficient number, since it is larger than the sum of its proper divisors (12715343044030).

13125515400224 is an equidigital number, since it uses as much as digits as its factorization.

13125515400224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410172356267 (or 410172356259 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 13125515400224 its reverse (42200451552131), we get a palindrome (55325966952355).

The spelling of 13125515400224 in words is "thirteen trillion, one hundred twenty-five billion, five hundred fifteen million, four hundred thousand, two hundred twenty-four".