12534351475 has 6 divisors (see below), whose sum is σ = 15542595860. Its totient is φ = 10027481160.

The previous prime is 12534351457. The next prime is 12534351517. The reversal of 12534351475 is 57415343521.

It is not a de Polignac number, because 12534351475 - 2⁵ = 12534351443 is a prime.

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, 250687005 + ... + 250687054.

Almost surely, 2^12534351475 is an apocalyptic number.

12534351475 is a deficient number, since it is larger than the sum of its proper divisors (3008244385).

12534351475 is an equidigital number, since it uses as much as digits as its factorization.

12534351475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501374069 (or 501374064 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

Adding to 12534351475 its reverse (57415343521), we get a palindrome (69949694996).

The spelling of 12534351475 in words is "twelve billion, five hundred thirty-four million, three hundred fifty-one thousand, four hundred seventy-five".