2126911806800 has 60 divisors (see below), whose sum is σ = 5574442501536. Its totient is φ = 773422473600.

The previous prime is 2126911806793. The next prime is 2126911806869. The reversal of 2126911806800 is 86081196212.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241690124 + ... + 241698923.

Almost surely, 2^{2126911806800} is an apocalyptic number.

2126911806800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126911806800 is an abundant number, since it is smaller than the sum of its proper divisors (3447530694736).

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

2126911806800 is a wasteful number, since it uses less digits than its factorization.

2126911806800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483389076 (or 483389065 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 2126911806800 in words is "two trillion, one hundred twenty-six billion, nine hundred eleven million, eight hundred six thousand, eight hundred".