2175918711056 has 40 divisors (see below), whose sum is σ = 4454104502400. Its totient is φ = 1026894983040.

The previous prime is 2175918710983. The next prime is 2175918711077. The reversal of 2175918711056 is 6501178195712.

It is a junction number, because it is equal to n+sod(n) for n = 2175918710989 and 2175918711007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13123571 + ... + 13288338.

It is an arithmetic number, because the mean of its divisors is an integer number (111352612560).

Almost surely, 2^{2175918711056} is an apocalyptic number.

It is an amenable number.

2175918711056 is an abundant number, since it is smaller than the sum of its proper divisors (2278185791344).

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

2175918711056 is a wasteful number, since it uses less digits than its factorization.

2175918711056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26412207 (or 26412201 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 53.

The spelling of 2175918711056 in words is "two trillion, one hundred seventy-five billion, nine hundred eighteen million, seven hundred eleven thousand, fifty-six".