3561094976768 has 144 divisors (see below), whose sum is σ = 8644854355200. Its totient is φ = 1429187493888.

The previous prime is 3561094976759. The next prime is 3561094976773. The reversal of 3561094976768 is 8676794901653.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5768630 + ... + 6356042.

It is an arithmetic number, because the mean of its divisors is an integer number (60033710800).

Almost surely, 2^{3561094976768} 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 3561094976768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4322427177600).

3561094976768 is an abundant number, since it is smaller than the sum of its proper divisors (5083759378432).

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

3561094976768 is a wasteful number, since it uses less digits than its factorization.

3561094976768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587652 (or 587638 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 71.

The spelling of 3561094976768 in words is "three trillion, five hundred sixty-one billion, ninety-four million, nine hundred seventy-six thousand, seven hundred sixty-eight".