6605155550055 has 8 divisors (see below), whose sum is σ = 10568248880112. Its totient is φ = 3522749626688.

The previous prime is 6605155550033. The next prime is 6605155550057. The reversal of 6605155550055 is 5500555515066.

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

It is a cyclic number.

It is not a de Polignac number, because 6605155550055 - 2¹⁵ = 6605155517287 is a prime.

It is a super-2 number, since 2×6605155550055² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6605155549986 and 6605155550013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605155550057) 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, 220171851654 + ... + 220171851683.

It is an arithmetic number, because the mean of its divisors is an integer number (1321031110014).

Almost surely, 2^{6605155550055} is an apocalyptic number.

6605155550055 is a deficient number, since it is larger than the sum of its proper divisors (3963093330057).

6605155550055 is a wasteful number, since it uses less digits than its factorization.

6605155550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440343703345.

The product of its (nonzero) digits is 2812500, while the sum is 48.

The spelling of 6605155550055 in words is "six trillion, six hundred five billion, one hundred fifty-five million, five hundred fifty thousand, fifty-five".