12503544475 has 12 divisors (see below), whose sum is σ = 15548831200. Its totient is φ = 9974167200.

The previous prime is 12503544457. The next prime is 12503544481. The reversal of 12503544475 is 57444530521.

It is not a de Polignac number, because 12503544475 - 2²¹ = 12501447323 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 707811 + ... + 725260.

Almost surely, 2^12503544475 is an apocalyptic number.

12503544475 is a deficient number, since it is larger than the sum of its proper divisors (3045286725).

12503544475 is a wasteful number, since it uses less digits than its factorization.

12503544475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433430 (or 1433425 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 12503544475 in words is "twelve billion, five hundred three million, five hundred forty-four thousand, four hundred seventy-five".