6555011155 has 64 divisors (see below), whose sum is σ = 10334158848. Its totient is φ = 3870092160.

The previous prime is 6555011119. The next prime is 6555011167. The reversal of 6555011155 is 5511105556.

It is not a de Polignac number, because 6555011155 - 2⁹ = 6555010643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6555011155.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 908472 + ... + 915658.

It is an arithmetic number, because the mean of its divisors is an integer number (161471232).

Almost surely, 2^6555011155 is an apocalyptic number.

6555011155 is a deficient number, since it is larger than the sum of its proper divisors (3779147693).

6555011155 is a wasteful number, since it uses less digits than its factorization.

6555011155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336.

The product of its (nonzero) digits is 18750, while the sum is 34.

The square root of 6555011155 is about 80963.0233810472. The cubic root of 6555011155 is about 1871.5056605983.

It can be divided in two parts, 655501 and 1155, that added together give a palindrome (656656).

The spelling of 6555011155 in words is "six billion, five hundred fifty-five million, eleven thousand, one hundred fifty-five".