5551120105 has 4 divisors (see below), whose sum is σ = 6661344132. Its totient is φ = 4440896080.

The previous prime is 5551120103. The next prime is 5551120111. The reversal of 5551120105 is 5010211555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 994330089 + 4556790016 = 31533^2 + 67504^2 .

It is not a de Polignac number, because 5551120105 - 2¹ = 5551120103 is a prime.

It is a super-2 number, since 2×5551120105² = 61629868840270422050, which contains 22 as substring.

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 5551120105.

It is not an unprimeable number, because it can be changed into a prime (5551120103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555112006 + ... + 555112015.

It is an arithmetic number, because the mean of its divisors is an integer number (1665336033).

Almost surely, 2^5551120105 is an apocalyptic number.

It is an amenable number.

5551120105 is a deficient number, since it is larger than the sum of its proper divisors (1110224027).

5551120105 is a wasteful number, since it uses less digits than its factorization.

5551120105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110224026.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 5551120105 is about 74505.8394020227. The cubic root of 5551120105 is about 1770.6261528591.

The spelling of 5551120105 in words is "five billion, five hundred fifty-one million, one hundred twenty thousand, one hundred five".