2555315511 has 16 divisors (see below), whose sum is σ = 3903634944. Its totient is φ = 1456497504.

The previous prime is 2555315473. The next prime is 2555315519. The reversal of 2555315511 is 1155135552.

It is not a de Polignac number, because 2555315511 - 2¹¹ = 2555313463 is a prime.

It is a super-3 number, since 3×2555315511³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555315519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144915 + ... + 161588.

It is an arithmetic number, because the mean of its divisors is an integer number (243977184).

Almost surely, 2^2555315511 is an apocalyptic number.

2555315511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2555315511 is a deficient number, since it is larger than the sum of its proper divisors (1348319433).

2555315511 is a wasteful number, since it uses less digits than its factorization.

2555315511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306910.

The product of its digits is 18750, while the sum is 33.

The square root of 2555315511 is about 50550.1286941982. The cubic root of 2555315511 is about 1367.1458349994.

The spelling of 2555315511 in words is "two billion, five hundred fifty-five million, three hundred fifteen thousand, five hundred eleven".