2091132755712 has 648 divisors, whose sum is σ = 8239839557040. Its totient is φ = 501366620160.

The previous prime is 2091132755639. The next prime is 2091132755713. The reversal of 2091132755712 is 2175572311902.

2091132755712 is a `hidden beast` number, since 2 + 0 + 9 + 1 + 1 + 3 + 2 + 75 + 571 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091132755713) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16079364 + ... + 16208892.

Almost surely, 2^{2091132755712} is an apocalyptic number.

2091132755712 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 2091132755712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4119919778520).

2091132755712 is an abundant number, since it is smaller than the sum of its proper divisors (6148706801328).

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

2091132755712 is a wasteful number, since it uses less digits than its factorization.

2091132755712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129589 (or 129565 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 2091132755712 in words is "two trillion, ninety-one billion, one hundred thirty-two million, seven hundred fifty-five thousand, seven hundred twelve".