2665113133525 has 24 divisors (see below), whose sum is σ = 3314002247424. Its totient is φ = 2126116449600.

The previous prime is 2665113133519. The next prime is 2665113133531. The reversal of 2665113133525 is 5253313115662.

It is an interprime number because it is at equal distance from previous prime (2665113133519) and next prime (2665113133531).

It is not a de Polignac number, because 2665113133525 - 2⁹ = 2665113133013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125755680 + ... + 125776870.

It is an arithmetic number, because the mean of its divisors is an integer number (138083426976).

Almost surely, 2^{2665113133525} is an apocalyptic number.

2665113133525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2665113133525 is a deficient number, since it is larger than the sum of its proper divisors (648889113899).

2665113133525 is a wasteful number, since it uses less digits than its factorization.

2665113133525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35061 (or 35056 counting only the distinct ones).

The product of its digits is 486000, while the sum is 43.

The spelling of 2665113133525 in words is "two trillion, six hundred sixty-five billion, one hundred thirteen million, one hundred thirty-three thousand, five hundred twenty-five".