5515000001 has 8 divisors (see below), whose sum is σ = 6348202560. Its totient is φ = 4693133808.

The previous prime is 5514999949. The next prime is 5515000031. The reversal of 5515000001 is 1000005155.

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 5515000001 - 2¹⁰ = 5514998977 is a prime.

It is a super-2 number, since 2×5515000001² = 60830450022060000002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5515000031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2833046 + ... + 2834991.

It is an arithmetic number, because the mean of its divisors is an integer number (793525320).

Almost surely, 2^5515000001 is an apocalyptic number.

It is an amenable number.

5515000001 is a deficient number, since it is larger than the sum of its proper divisors (833202559).

5515000001 is a wasteful number, since it uses less digits than its factorization.

5515000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668183.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 5515000001 is about 74263.0459986661. The cubic root of 5515000001 is about 1766.7774149433. Note that the first 3 decimals are identical.

Adding to 5515000001 its reverse (1000005155), we get a palindrome (6515005156).

The spelling of 5515000001 in words is "five billion, five hundred fifteen million, one", and thus it is an aban number.