12546125475 has 96 divisors (see below), whose sum is σ = 23135852544. Its totient is φ = 5957452800.

The previous prime is 12546125461. The next prime is 12546125479. The reversal of 12546125475 is 57452164521.

It is not a de Polignac number, because 12546125475 - 2¹¹ = 12546123427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12546125479) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13389207 + ... + 13390143.

It is an arithmetic number, because the mean of its divisors is an integer number (240998464).

Almost surely, 2^12546125475 is an apocalyptic number.

12546125475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12546125475 is a deficient number, since it is larger than the sum of its proper divisors (10589727069).

12546125475 is a wasteful number, since it uses less digits than its factorization.

12546125475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437 (or 1432 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

Adding to 12546125475 its reverse (57452164521), we get a palindrome (69998289996).

The spelling of 12546125475 in words is "twelve billion, five hundred forty-six million, one hundred twenty-five thousand, four hundred seventy-five".