2665125514503 has 16 divisors (see below), whose sum is σ = 3949049464800. Its totient is φ = 1776428426880.

The previous prime is 2665125514427. The next prime is 2665125514517. The reversal of 2665125514503 is 3054155215662.

2665125514503 is a `hidden beast` number, since 2 + 6 + 6 + 5 + 125 + 5 + 14 + 503 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2665125514503 is a prime.

It is a super-3 number, since 3×2665125514503³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665125534503) 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 15 ways as a sum of consecutive naturals, for example, 8790288 + ... + 9088421.

It is an arithmetic number, because the mean of its divisors is an integer number (246815591550).

Almost surely, 2^{2665125514503} is an apocalyptic number.

2665125514503 is a deficient number, since it is larger than the sum of its proper divisors (1283923950297).

2665125514503 is a wasteful number, since it uses less digits than its factorization.

2665125514503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17884239 (or 17884233 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 2665125514503 in words is "two trillion, six hundred sixty-five billion, one hundred twenty-five million, five hundred fourteen thousand, five hundred three".