5605661155 has 8 divisors (see below), whose sum is σ = 6729811200. Its totient is φ = 4482517056.

The previous prime is 5605661147. The next prime is 5605661161. The reversal of 5605661155 is 5511665065.

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 5605661155 - 2³ = 5605661147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239170 + ... + 261559.

It is an arithmetic number, because the mean of its divisors is an integer number (841226400).

Almost surely, 2^5605661155 is an apocalyptic number.

5605661155 is a deficient number, since it is larger than the sum of its proper divisors (1124150045).

5605661155 is a wasteful number, since it uses less digits than its factorization.

5605661155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502973.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 5605661155 is about 74870.9633636432. The cubic root of 5605661155 is about 1776.4062022127.

The spelling of 5605661155 in words is "five billion, six hundred five million, six hundred sixty-one thousand, one hundred fifty-five".