2665005531403 has 12 divisors (see below), whose sum is σ = 2891225922912. Its totient is φ = 2454873668480.

The previous prime is 2665005531373. The next prime is 2665005531443. The reversal of 2665005531403 is 3041355005662.

2665005531403 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 2665005531403 - 2³³ = 2656415596811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2665005531443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98087188 + ... + 98114353.

It is an arithmetic number, because the mean of its divisors is an integer number (240935493576).

Almost surely, 2^{2665005531403} is an apocalyptic number.

2665005531403 is a deficient number, since it is larger than the sum of its proper divisors (226220391509).

2665005531403 is a wasteful number, since it uses less digits than its factorization.

2665005531403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196201622 (or 196201605 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 2665005531403 in words is "two trillion, six hundred sixty-five billion, five million, five hundred thirty-one thousand, four hundred three".