13043155525 has 6 divisors (see below), whose sum is σ = 16173512882. Its totient is φ = 10434524400.

The previous prime is 13043155459. The next prime is 13043155597. The reversal of 13043155525 is 52555134031.

It can be written as a sum of positive squares in 3 ways, for example, as 456335044 + 12586820481 = 21362^2 + 112191^2 .

It is not a de Polignac number, because 13043155525 - 2¹³ = 13043147333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260863086 + ... + 260863135.

Almost surely, 2^13043155525 is an apocalyptic number.

It is an amenable number.

13043155525 is a deficient number, since it is larger than the sum of its proper divisors (3130357357).

13043155525 is an equidigital number, since it uses as much as digits as its factorization.

13043155525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521726231 (or 521726226 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 13043155525 its reverse (52555134031), we get a palindrome (65598289556).

The spelling of 13043155525 in words is "thirteen billion, forty-three million, one hundred fifty-five thousand, five hundred twenty-five".