12524151457 has 4 divisors (see below), whose sum is σ = 12555698836. Its totient is φ = 12492604080.

The previous prime is 12524151449. The next prime is 12524151461. The reversal of 12524151457 is 75415142521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4666392721 + 7857758736 = 68311^2 + 88644^2 .

It is a cyclic number.

It is not a de Polignac number, because 12524151457 - 2³ = 12524151449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12524181457) 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 3 ways as a sum of consecutive naturals, for example, 15773094 + ... + 15773887.

It is an arithmetic number, because the mean of its divisors is an integer number (3138924709).

Almost surely, 2^12524151457 is an apocalyptic number.

It is an amenable number.

12524151457 is a deficient number, since it is larger than the sum of its proper divisors (31547379).

12524151457 is an equidigital number, since it uses as much as digits as its factorization.

12524151457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31547378.

The product of its digits is 56000, while the sum is 37.

Adding to 12524151457 its reverse (75415142521), we get a palindrome (87939293978).

The spelling of 12524151457 in words is "twelve billion, five hundred twenty-four million, one hundred fifty-one thousand, four hundred fifty-seven".