12559357441 has 8 divisors (see below), whose sum is σ = 12904691624. Its totient is φ = 12214333440.

The previous prime is 12559357423. The next prime is 12559357457. The reversal of 12559357441 is 14475395521.

It can be written as a sum of positive squares in 4 ways, for example, as 4719140416 + 7840217025 = 68696^2 + 88545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12559357441 - 2⁷ = 12559357313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12559357391 and 12559357400.

It is not an unprimeable number, because it can be changed into a prime (12559357141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5761 + ... + 158593.

It is an arithmetic number, because the mean of its divisors is an integer number (1613086453).

Almost surely, 2^12559357441 is an apocalyptic number.

It is an amenable number.

12559357441 is a deficient number, since it is larger than the sum of its proper divisors (345334183).

12559357441 is a wasteful number, since it uses less digits than its factorization.

12559357441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155091.

The product of its digits is 756000, while the sum is 46.

It can be divided in two parts, 1255935 and 7441, that added together give a square (1263376 = 1124²).

The spelling of 12559357441 in words is "twelve billion, five hundred fifty-nine million, three hundred fifty-seven thousand, four hundred forty-one".