13145073025 has 12 divisors (see below), whose sum is σ = 18628446592. Its totient is φ = 9013764240.

The previous prime is 13145072977. The next prime is 13145073037. The reversal of 13145073025 is 52037054131.

It is a happy number.

It is not a de Polignac number, because 13145073025 - 2¹¹ = 13145070977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37557177 + ... + 37557526.

Almost surely, 2^13145073025 is an apocalyptic number.

It is an amenable number.

13145073025 is a deficient number, since it is larger than the sum of its proper divisors (5483373567).

13145073025 is an equidigital number, since it uses as much as digits as its factorization.

13145073025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75114720 (or 75114715 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 13145073025 in words is "thirteen billion, one hundred forty-five million, seventy-three thousand, twenty-five".