6655511011155 has 32 divisors (see below), whose sum is σ = 11664019310400. Its totient is φ = 3225605332992.

The previous prime is 6655511011153. The next prime is 6655511011183. The reversal of 6655511011155 is 5511101155566.

It is not a de Polignac number, because 6655511011155 - 2¹ = 6655511011153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6655511011153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449993350 + ... + 450008139.

It is an arithmetic number, because the mean of its divisors is an integer number (364500603450).

Almost surely, 2^{6655511011155} is an apocalyptic number.

6655511011155 is a deficient number, since it is larger than the sum of its proper divisors (5008508299245).

6655511011155 is a wasteful number, since it uses less digits than its factorization.

6655511011155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900001543.

The product of its (nonzero) digits is 112500, while the sum is 42.

The spelling of 6655511011155 in words is "six trillion, six hundred fifty-five billion, five hundred eleven million, eleven thousand, one hundred fifty-five".