2126911806870 has 64 divisors (see below), whose sum is σ = 5188787342784. Its totient is φ = 557822891520.

The previous prime is 2126911806869. The next prime is 2126911806937. The reversal of 2126911806870 is 786081196212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20247804 + ... + 20352576.

It is an arithmetic number, because the mean of its divisors is an integer number (81074802231).

Almost surely, 2^{2126911806870} is an apocalyptic number.

2126911806870 is an abundant number, since it is smaller than the sum of its proper divisors (3061875535914).

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

2126911806870 is a wasteful number, since it uses less digits than its factorization.

2126911806870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115937.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 2126911806870 in words is "two trillion, one hundred twenty-six billion, nine hundred eleven million, eight hundred six thousand, eight hundred seventy".