12817008523558 has 8 divisors (see below), whose sum is σ = 19228988757960. Its totient is φ = 6407345604240.

The previous prime is 12817008523531. The next prime is 12817008523559. The reversal of 12817008523558 is 85532580071821.

12817008523558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12817008523499 and 12817008523508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12817008523559) 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, 579314943 + ... + 579337066.

It is an arithmetic number, because the mean of its divisors is an integer number (2403623594745).

Almost surely, 2^{12817008523558} is an apocalyptic number.

12817008523558 is a deficient number, since it is larger than the sum of its proper divisors (6411980234402).

12817008523558 is a wasteful number, since it uses less digits than its factorization.

12817008523558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158657542.

The product of its (nonzero) digits is 5376000, while the sum is 55.

The spelling of 12817008523558 in words is "twelve trillion, eight hundred seventeen billion, eight million, five hundred twenty-three thousand, five hundred fifty-eight".