2555165506715 has 8 divisors (see below), whose sum is σ = 3165108240768. Its totient is φ = 1978192650240.

The previous prime is 2555165506703. The next prime is 2555165506717. The reversal of 2555165506715 is 5176055615552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2555165506715 - 2⁸ = 2555165506459 is a prime.

It is a super-2 number, since 2×2555165506715² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555165506717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8242469222 + ... + 8242469531.

It is an arithmetic number, because the mean of its divisors is an integer number (395638530096).

Almost surely, 2^{2555165506715} is an apocalyptic number.

2555165506715 is a deficient number, since it is larger than the sum of its proper divisors (609942734053).

2555165506715 is a wasteful number, since it uses less digits than its factorization.

2555165506715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16484938789.

The product of its (nonzero) digits is 7875000, while the sum is 53.

The spelling of 2555165506715 in words is "two trillion, five hundred fifty-five billion, one hundred sixty-five million, five hundred six thousand, seven hundred fifteen".