12457058481 has 24 divisors (see below), whose sum is σ = 20573002944. Its totient is φ = 7115214240.

The previous prime is 12457058477. The next prime is 12457058539. The reversal of 12457058481 is 18485075421.

12457058481 is a `hidden beast` number, since 1 + 24 + 570 + 58 + 4 + 8 + 1 = 666.

It is not a de Polignac number, because 12457058481 - 2² = 12457058477 is a prime.

It is a super-2 number, since 2×12457058481² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12457058401) by changing a digit.

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, 106546 + ... + 190436.

It is an arithmetic number, because the mean of its divisors is an integer number (857208456).

Almost surely, 2^12457058481 is an apocalyptic number.

It is an amenable number.

12457058481 is a deficient number, since it is larger than the sum of its proper divisors (8115944463).

12457058481 is a wasteful number, since it uses less digits than its factorization.

12457058481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86261 (or 86258 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The spelling of 12457058481 in words is "twelve billion, four hundred fifty-seven million, fifty-eight thousand, four hundred eighty-one".