2665115655424 has 36 divisors (see below), whose sum is σ = 5449572448740. Its totient is φ = 1300056412160.

The previous prime is 2665115655379. The next prime is 2665115655451. The reversal of 2665115655424 is 4245565115662.

It can be written as a sum of positive squares in 2 ways, for example, as 876155905024 + 1788959750400 = 936032^2 + 1337520^2 .

It is a congruent number.

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, 126948139 + ... + 126969130.

It is an arithmetic number, because the mean of its divisors is an integer number (151377012465).

Almost surely, 2^{2665115655424} is an apocalyptic number.

It is an amenable number.

2665115655424 is an abundant number, since it is smaller than the sum of its proper divisors (2784456793316).

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

2665115655424 is an equidigital number, since it uses as much as digits as its factorization.

2665115655424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253917326 (or 253917312 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 52.

The spelling of 2665115655424 in words is "two trillion, six hundred sixty-five billion, one hundred fifteen million, six hundred fifty-five thousand, four hundred twenty-four".