2165575044752 has 20 divisors (see below), whose sum is σ = 4795201885056. Its totient is φ = 928103590560.

The previous prime is 2165575044739. The next prime is 2165575044769. The reversal of 2165575044752 is 2574405755612.

It is a junction number, because it is equal to n+sod(n) for n = 2165575044694 and 2165575044703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9667745624 + ... + 9667745847.

Almost surely, 2^{2165575044752} is an apocalyptic number.

It is an amenable number.

2165575044752 is an abundant number, since it is smaller than the sum of its proper divisors (2629626840304).

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

2165575044752 is a wasteful number, since it uses less digits than its factorization.

2165575044752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19335491486 (or 19335491480 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 53.

The spelling of 2165575044752 in words is "two trillion, one hundred sixty-five billion, five hundred seventy-five million, forty-four thousand, seven hundred fifty-two".