8603556645112 has 128 divisors (see below), whose sum is σ = 19730742413760. Its totient is φ = 3464204267520.

The previous prime is 8603556645107. The next prime is 8603556645113. The reversal of 8603556645112 is 2115466553068.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 8603556645112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8603556645113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1697758 + ... + 4482130.

Almost surely, 2^{8603556645112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8603556645112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9865371206880).

8603556645112 is an abundant number, since it is smaller than the sum of its proper divisors (11127185768648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8603556645112 is a wasteful number, since it uses less digits than its factorization.

8603556645112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784513 (or 2784509 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 8603556645112 in words is "eight trillion, six hundred three billion, five hundred fifty-six million, six hundred forty-five thousand, one hundred twelve".