12557599069 has 8 divisors (see below), whose sum is σ = 12582781920. Its totient is φ = 12532437456.

The previous prime is 12557599063. The next prime is 12557599097. The reversal of 12557599069 is 96099575521.

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

It is a cyclic number.

It is not a de Polignac number, because 12557599069 - 2¹⁹ = 12557074781 is a prime.

It is a super-2 number, since 2×12557599069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12557599063) 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, 1675759 + ... + 1683235.

It is an arithmetic number, because the mean of its divisors is an integer number (1572847740).

Almost surely, 2^12557599069 is an apocalyptic number.

It is an amenable number.

12557599069 is a deficient number, since it is larger than the sum of its proper divisors (25182851).

12557599069 is an equidigital number, since it uses as much as digits as its factorization.

12557599069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10619.

The product of its (nonzero) digits is 7654500, while the sum is 58.

The spelling of 12557599069 in words is "twelve billion, five hundred fifty-seven million, five hundred ninety-nine thousand, sixty-nine".