12775860591 has 32 divisors (see below), whose sum is σ = 18965210880. Its totient is φ = 7599965184.

The previous prime is 12775860589. The next prime is 12775860599. The reversal of 12775860591 is 19506857721.

12775860591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12775860591 - 2¹ = 12775860589 is a prime.

It is a super-2 number, since 2×12775860591² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12775860599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123400 + ... + 201938.

It is an arithmetic number, because the mean of its divisors is an integer number (592662840).

Almost surely, 2^12775860591 is an apocalyptic number.

12775860591 is a deficient number, since it is larger than the sum of its proper divisors (6189350289).

12775860591 is a wasteful number, since it uses less digits than its factorization.

12775860591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78695.

The product of its (nonzero) digits is 1058400, while the sum is 51.

The spelling of 12775860591 in words is "twelve billion, seven hundred seventy-five million, eight hundred sixty thousand, five hundred ninety-one".