2665125505 has 16 divisors (see below), whose sum is σ = 3689193600. Its totient is φ = 1810432512.

The previous prime is 2665125499. The next prime is 2665125517. The reversal of 2665125505 is 5055215662.

2665125505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2665125505 - 2¹¹ = 2665123457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352080 + ... + 359569.

It is an arithmetic number, because the mean of its divisors is an integer number (230574600).

Almost surely, 2^2665125505 is an apocalyptic number.

It is an amenable number.

2665125505 is a deficient number, since it is larger than the sum of its proper divisors (1024068095).

2665125505 is a wasteful number, since it uses less digits than its factorization.

2665125505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711768.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 2665125505 is about 51624.8535591143. The cubic root of 2665125505 is about 1386.4553517662.

The spelling of 2665125505 in words is "two billion, six hundred sixty-five million, one hundred twenty-five thousand, five hundred five".