12590333557 has 4 divisors (see below), whose sum is σ = 13024483020. Its totient is φ = 12156184096.

The previous prime is 12590333551. The next prime is 12590333563. The reversal of 12590333557 is 75533309521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75533309521 = 953 ⋅79258457.

It is an interprime number because it is at equal distance from previous prime (12590333551) and next prime (12590333563).

It can be written as a sum of positive squares in 2 ways, for example, as 2396200401 + 10194133156 = 48951^2 + 100966^2 .

It is a cyclic number.

It is not a de Polignac number, because 12590333557 - 2³ = 12590333549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12590333551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217074688 + ... + 217074745.

It is an arithmetic number, because the mean of its divisors is an integer number (3256120755).

Almost surely, 2^12590333557 is an apocalyptic number.

It is an amenable number.

12590333557 is a deficient number, since it is larger than the sum of its proper divisors (434149463).

12590333557 is an equidigital number, since it uses as much as digits as its factorization.

12590333557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434149462.

The product of its (nonzero) digits is 425250, while the sum is 43.

The spelling of 12590333557 in words is "twelve billion, five hundred ninety million, three hundred thirty-three thousand, five hundred fifty-seven".