2555515145311 has 4 divisors (see below), whose sum is σ = 2555553552552. Its totient is φ = 2555476738072.

The previous prime is 2555515145297. The next prime is 2555515145333. The reversal of 2555515145311 is 1135415155552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2555515145311 - 2²¹ = 2555513048159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555515145111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19103641 + ... + 19236946.

It is an arithmetic number, because the mean of its divisors is an integer number (638888388138).

Almost surely, 2^{2555515145311} is an apocalyptic number.

2555515145311 is a deficient number, since it is larger than the sum of its proper divisors (38407241).

2555515145311 is an equidigital number, since it uses as much as digits as its factorization.

2555515145311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38407240.

The product of its digits is 375000, while the sum is 43.

The spelling of 2555515145311 in words is "two trillion, five hundred fifty-five billion, five hundred fifteen million, one hundred forty-five thousand, three hundred eleven".