2755474691112 has 768 divisors, whose sum is σ = 9397140480000. Its totient is φ = 716586393600.

The previous prime is 2755474691009. The next prime is 2755474691147. The reversal of 2755474691112 is 2111964745572.

2755474691112 is a `hidden beast` number, since 2 + 7 + 5 + 547 + 4 + 6 + 91 + 1 + 1 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8324696787 + ... + 8324697117.

It is an arithmetic number, because the mean of its divisors is an integer number (12235860000).

Almost surely, 2^{2755474691112} is an apocalyptic number.

2755474691112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755474691112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4698570240000).

2755474691112 is an abundant number, since it is smaller than the sum of its proper divisors (6641665788888).

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

2755474691112 is a wasteful number, since it uses less digits than its factorization.

2755474691112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 815 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 2755474691112 in words is "two trillion, seven hundred fifty-five billion, four hundred seventy-four million, six hundred ninety-one thousand, one hundred twelve".