12587905511 has 2 divisors, whose sum is σ = 12587905512. Its totient is φ = 12587905510.

The previous prime is 12587905423. The next prime is 12587905537. The reversal of 12587905511 is 11550978521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12587905511 - 2¹⁰ = 12587904487 is a prime.

It is a super-2 number, since 2×12587905511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12587905541) 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 as a sum of consecutive naturals, namely, 6293952755 + 6293952756.

It is an arithmetic number, because the mean of its divisors is an integer number (6293952756).

Almost surely, 2^12587905511 is an apocalyptic number.

12587905511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12587905511 is an equidigital number, since it uses as much as digits as its factorization.

12587905511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 44.

The spelling of 12587905511 in words is "twelve billion, five hundred eighty-seven million, nine hundred five thousand, five hundred eleven".