5551105605 has 8 divisors (see below), whose sum is σ = 8881768992. Its totient is φ = 2960589648.

The previous prime is 5551105601. The next prime is 5551105619. The reversal of 5551105605 is 5065011555.

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

It is not a de Polignac number, because 5551105605 - 2² = 5551105601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551105601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185036839 + ... + 185036868.

It is an arithmetic number, because the mean of its divisors is an integer number (1110221124).

Almost surely, 2^5551105605 is an apocalyptic number.

It is an amenable number.

5551105605 is a deficient number, since it is larger than the sum of its proper divisors (3330663387).

5551105605 is a wasteful number, since it uses less digits than its factorization.

5551105605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370073715.

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

The square root of 5551105605 is about 74505.7420941500. The cubic root of 5551105605 is about 1770.6246111821.

It can be divided in two parts, 5551 and 105605, that added together give a triangular number (111156 = T₄₇₁).

The spelling of 5551105605 in words is "five billion, five hundred fifty-one million, one hundred five thousand, six hundred five".