13043043125 has 40 divisors (see below), whose sum is σ = 18649380288. Its totient is φ = 8933040000.

The previous prime is 13043043077. The next prime is 13043043173. The reversal of 13043043125 is 52134034031.

It is an interprime number because it is at equal distance from previous prime (13043043077) and next prime (13043043173).

It is not a de Polignac number, because 13043043125 - 2¹⁴ = 13043026741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13043043094 and 13043043103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5716985 + ... + 5719265.

Almost surely, 2^13043043125 is an apocalyptic number.

It is an amenable number.

13043043125 is a deficient number, since it is larger than the sum of its proper divisors (5606337163).

13043043125 is an equidigital number, since it uses as much as digits as its factorization.

13043043125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13043043125 its reverse (52134034031), we get a palindrome (65177077156).

The spelling of 13043043125 in words is "thirteen billion, forty-three million, forty-three thousand, one hundred twenty-five".