12545917285 has 16 divisors (see below), whose sum is σ = 16495482240. Its totient is φ = 9084450240.

The previous prime is 12545917277. The next prime is 12545917297. The reversal of 12545917285 is 58271954521.

It is not a de Polignac number, because 12545917285 - 2³ = 12545917277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485457 + ... + 510646.

It is an arithmetic number, because the mean of its divisors is an integer number (1030967640).

Almost surely, 2^12545917285 is an apocalyptic number.

It is an amenable number.

12545917285 is a deficient number, since it is larger than the sum of its proper divisors (3949564955).

12545917285 is a wasteful number, since it uses less digits than its factorization.

12545917285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996348.

The product of its digits is 1008000, while the sum is 49.

The spelling of 12545917285 in words is "twelve billion, five hundred forty-five million, nine hundred seventeen thousand, two hundred eighty-five".