2165250755270 has 16 divisors (see below), whose sum is σ = 3898012511088. Its totient is φ = 865975601760.

The previous prime is 2165250755243. The next prime is 2165250755303. The reversal of 2165250755270 is 725570525612.

It is a congruent number.

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, 15514601 + ... + 15653540.

It is an arithmetic number, because the mean of its divisors is an integer number (243625781943).

Almost surely, 2^{2165250755270} is an apocalyptic number.

2165250755270 is a deficient number, since it is larger than the sum of its proper divisors (1732761755818).

2165250755270 is a wasteful number, since it uses less digits than its factorization.

2165250755270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31175095.

The product of its (nonzero) digits is 1470000, while the sum is 47.

The spelling of 2165250755270 in words is "two trillion, one hundred sixty-five billion, two hundred fifty million, seven hundred fifty-five thousand, two hundred seventy".