2665530545275 has 24 divisors (see below), whose sum is σ = 3559704837920. Its totient is φ = 1968283203840.

The previous prime is 2665530545273. The next prime is 2665530545291. The reversal of 2665530545275 is 5725450355662.

It is not a de Polignac number, because 2665530545275 - 2¹ = 2665530545273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2665530545273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5931919 + ... + 6365431.

Almost surely, 2^{2665530545275} is an apocalyptic number.

2665530545275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2665530545275 is a deficient number, since it is larger than the sum of its proper divisors (894174292645).

2665530545275 is a wasteful number, since it uses less digits than its factorization.

2665530545275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452455 (or 452450 counting only the distinct ones).

The product of its (nonzero) digits is 37800000, while the sum is 55.

The spelling of 2665530545275 in words is "two trillion, six hundred sixty-five billion, five hundred thirty million, five hundred forty-five thousand, two hundred seventy-five".