2665066252311 has 16 divisors (see below), whose sum is σ = 3949054072800. Its totient is φ = 1776347337024.

The previous prime is 2665066252307. The next prime is 2665066252357. The reversal of 2665066252311 is 1132526605662.

2665066252311 is a `hidden beast` number, since 2 + 6 + 6 + 5 + 0 + 6 + 625 + 2 + 3 + 11 = 666.

It is not a de Polignac number, because 2665066252311 - 2² = 2665066252307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665066252391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9962716 + ... + 10226721.

It is an arithmetic number, because the mean of its divisors is an integer number (246815879550).

Almost surely, 2^{2665066252311} is an apocalyptic number.

2665066252311 is a deficient number, since it is larger than the sum of its proper divisors (1283987820489).

2665066252311 is a wasteful number, since it uses less digits than its factorization.

2665066252311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20194335 (or 20194329 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 2665066252311 in words is "two trillion, six hundred sixty-five billion, sixty-six million, two hundred fifty-two thousand, three hundred eleven".