12451355575 has 24 divisors (see below), whose sum is σ = 15723993600. Its totient is φ = 9778145760.

The previous prime is 12451355549. The next prime is 12451355591. The reversal of 12451355575 is 57555315421.

It is not a de Polignac number, because 12451355575 - 2¹¹ = 12451353527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1084314 + ... + 1095736.

It is an arithmetic number, because the mean of its divisors is an integer number (655166400).

Almost surely, 2^12451355575 is an apocalyptic number.

12451355575 is a deficient number, since it is larger than the sum of its proper divisors (3272638025).

12451355575 is a wasteful number, since it uses less digits than its factorization.

12451355575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231 (or 12226 counting only the distinct ones).

The product of its digits is 525000, while the sum is 43.

The spelling of 12451355575 in words is "twelve billion, four hundred fifty-one million, three hundred fifty-five thousand, five hundred seventy-five".