12587533841 has 2 divisors, whose sum is σ = 12587533842. Its totient is φ = 12587533840.

The previous prime is 12587533837. The next prime is 12587533853. The reversal of 12587533841 is 14833578521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12472422400 + 115111441 = 111680^2 + 10729^2 .

It is a cyclic number.

It is not a de Polignac number, because 12587533841 - 2² = 12587533837 is a prime.

It is a super-3 number, since 3×12587533841³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12587533831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6293766920 + 6293766921.

It is an arithmetic number, because the mean of its divisors is an integer number (6293766921).

Almost surely, 2^12587533841 is an apocalyptic number.

It is an amenable number.

12587533841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12587533841 is an equidigital number, since it uses as much as digits as its factorization.

12587533841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 47.

The spelling of 12587533841 in words is "twelve billion, five hundred eighty-seven million, five hundred thirty-three thousand, eight hundred forty-one".