12553662579 has 8 divisors (see below), whose sum is σ = 16973966592. Its totient is φ = 8251233480.

The previous prime is 12553662551. The next prime is 12553662587. The reversal of 12553662579 is 97526635521.

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

It is not a de Polignac number, because 12553662579 - 2¹³ = 12553654387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12553662509) 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, 29468479 + ... + 29468904.

It is an arithmetic number, because the mean of its divisors is an integer number (2121745824).

Almost surely, 2^12553662579 is an apocalyptic number.

12553662579 is a deficient number, since it is larger than the sum of its proper divisors (4420304013).

12553662579 is an equidigital number, since it uses as much as digits as its factorization.

12553662579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58937457.

The product of its digits is 3402000, while the sum is 51.

The spelling of 12553662579 in words is "twelve billion, five hundred fifty-three million, six hundred sixty-two thousand, five hundred seventy-nine".