3111294551904 has 768 divisors, whose sum is σ = 11718062899200. Its totient is φ = 779428915200.

The previous prime is 3111294551863. The next prime is 3111294551909. The reversal of 3111294551904 is 4091554921113.

3111294551904 is a `hidden beast` number, since 3 + 1 + 1 + 1 + 2 + 9 + 4 + 551 + 90 + 4 = 666.

3111294551904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3111294551904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111294551909) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 653768277 + ... + 653773035.

It is an arithmetic number, because the mean of its divisors is an integer number (15257894400).

Almost surely, 2^{3111294551904} 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 3111294551904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5859031449600).

3111294551904 is an abundant number, since it is smaller than the sum of its proper divisors (8606768347296).

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

3111294551904 is a wasteful number, since it uses less digits than its factorization.

3111294551904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144 (or 5130 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 3111294551904 in words is "three trillion, one hundred eleven billion, two hundred ninety-four million, five hundred fifty-one thousand, nine hundred four".