5515500011 has 16 divisors (see below), whose sum is σ = 6371393280. Its totient is φ = 4676680800.

The previous prime is 5515499939. The next prime is 5515500017. The reversal of 5515500011 is 1100055155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5515500011 - 2¹⁰ = 5515498987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5515500011.

It is not an unprimeable number, because it can be changed into a prime (5515500017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028840 + ... + 1034186.

It is an arithmetic number, because the mean of its divisors is an integer number (398212080).

Almost surely, 2^5515500011 is an apocalyptic number.

5515500011 is a deficient number, since it is larger than the sum of its proper divisors (855893269).

5515500011 is a wasteful number, since it uses less digits than its factorization.

5515500011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 5515500011 is about 74266.4124015695. The cubic root of 5515500011 is about 1766.8308074896.

Adding to 5515500011 its reverse (1100055155), we get a palindrome (6615555166).

The spelling of 5515500011 in words is "five billion, five hundred fifteen million, five hundred thousand, eleven".