12557362426 has 32 divisors (see below), whose sum is σ = 22901311872. Its totient is φ = 5041128960.

The previous prime is 12557362403. The next prime is 12557362427. The reversal of 12557362426 is 62426375521.

It is not an unprimeable number, because it can be changed into a prime (12557362427) 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 15 ways as a sum of consecutive naturals, for example, 74811 + ... + 175246.

It is an arithmetic number, because the mean of its divisors is an integer number (715665996).

Almost surely, 2^12557362426 is an apocalyptic number.

12557362426 is a deficient number, since it is larger than the sum of its proper divisors (10343949446).

12557362426 is a wasteful number, since it uses less digits than its factorization.

12557362426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250294.

The product of its digits is 604800, while the sum is 43.

The spelling of 12557362426 in words is "twelve billion, five hundred fifty-seven million, three hundred sixty-two thousand, four hundred twenty-six".