5515351331 has 16 divisors (see below), whose sum is σ = 6644252160. Its totient is φ = 4472392320.

The previous prime is 5515351321. The next prime is 5515351363. The reversal of 5515351331 is 1331535155.

It is a happy number.

5515351331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5515351331 is a prime.

It is a super-2 number, since 2×5515351331² = 60838200608726943122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5515351321) 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, 68171 + ... + 125211.

It is an arithmetic number, because the mean of its divisors is an integer number (415265760).

Almost surely, 2^5515351331 is an apocalyptic number.

5515351331 is a deficient number, since it is larger than the sum of its proper divisors (1128900829).

5515351331 is a wasteful number, since it uses less digits than its factorization.

5515351331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57794.

The product of its digits is 16875, while the sum is 32.

The square root of 5515351331 is about 74265.4114039638. The cubic root of 5515351331 is about 1766.8149313367.

Adding to 5515351331 its reverse (1331535155), we get a palindrome (6846886486).

The spelling of 5515351331 in words is "five billion, five hundred fifteen million, three hundred fifty-one thousand, three hundred thirty-one".