5509150121 has 8 divisors (see below), whose sum is σ = 5545115520. Its totient is φ = 5473211472.

The previous prime is 5509150117. The next prime is 5509150159. The reversal of 5509150121 is 1210519055.

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 5509150121 - 2² = 5509150117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5509150321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560576 + ... + 570318.

It is an arithmetic number, because the mean of its divisors is an integer number (693139440).

Almost surely, 2^5509150121 is an apocalyptic number.

It is an amenable number.

5509150121 is a deficient number, since it is larger than the sum of its proper divisors (35965399).

5509150121 is a wasteful number, since it uses less digits than its factorization.

5509150121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13375.

The product of its (nonzero) digits is 2250, while the sum is 29.

The square root of 5509150121 is about 74223.6493376606. The cubic root of 5509150121 is about 1766.1525075781.

Adding to 5509150121 its reverse (1210519055), we get a palindrome (6719669176).

The spelling of 5509150121 in words is "five billion, five hundred nine million, one hundred fifty thousand, one hundred twenty-one".