5515610109 has 16 divisors (see below), whose sum is σ = 7390563840. Its totient is φ = 3658890240.

The previous prime is 5515610099. The next prime is 5515610123. The reversal of 5515610109 is 9010165155.

5515610109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5515610109 - 2¹² = 5515606013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5515610109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515615109) 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 15 ways as a sum of consecutive naturals, for example, 1269589 + ... + 1273925.

It is an arithmetic number, because the mean of its divisors is an integer number (461910240).

Almost surely, 2^5515610109 is an apocalyptic number.

It is an amenable number.

5515610109 is a deficient number, since it is larger than the sum of its proper divisors (1874953731).

5515610109 is a wasteful number, since it uses less digits than its factorization.

5515610109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340.

The product of its (nonzero) digits is 6750, while the sum is 33.

The square root of 5515610109 is about 74267.1536346991. The cubic root of 5515610109 is about 1766.8425636461.

The spelling of 5515610109 in words is "five billion, five hundred fifteen million, six hundred ten thousand, one hundred nine".