2555303042665 has 16 divisors (see below), whose sum is σ = 3177391852800. Its totient is φ = 1971427191552.

The previous prime is 2555303042659. The next prime is 2555303042671. The reversal of 2555303042665 is 5662403035552.

It is an interprime number because it is at equal distance from previous prime (2555303042659) and next prime (2555303042671).

It is a cyclic number.

It is not a de Polignac number, because 2555303042665 - 2²¹ = 2555300945513 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, 75205360 + ... + 75239329.

It is an arithmetic number, because the mean of its divisors is an integer number (198586990800).

Almost surely, 2^{2555303042665} is an apocalyptic number.

It is an amenable number.

2555303042665 is a deficient number, since it is larger than the sum of its proper divisors (622088810135).

2555303042665 is a wasteful number, since it uses less digits than its factorization.

2555303042665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150444816.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 2555303042665 in words is "two trillion, five hundred fifty-five billion, three hundred three million, forty-two thousand, six hundred sixty-five".