108857818559 has 16 divisors (see below), whose sum is σ = 130078272000. Its totient is φ = 89070965280.

The previous prime is 108857818543. The next prime is 108857818561. The reversal of 108857818559 is 955818758801.

It is a cyclic number.

It is not a de Polignac number, because 108857818559 - 2⁴ = 108857818543 is a prime.

It is a super-2 number, since 2×108857818559² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108857818495 and 108857818504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108857818759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597152 + ... + 757829.

It is an arithmetic number, because the mean of its divisors is an integer number (8129892000).

Almost surely, 2^108857818559 is an apocalyptic number.

108857818559 is a deficient number, since it is larger than the sum of its proper divisors (21220453441).

108857818559 is a wasteful number, since it uses less digits than its factorization.

108857818559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355510.

The product of its (nonzero) digits is 32256000, while the sum is 65.

The spelling of 108857818559 in words is "one hundred eight billion, eight hundred fifty-seven million, eight hundred eighteen thousand, five hundred fifty-nine".