5515144312 has 16 divisors (see below), whose sum is σ = 10560915360. Its totient is φ = 2698900224.

The previous prime is 5515144279. The next prime is 5515144333. The reversal of 5515144312 is 2134415155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7333593 + ... + 7334344.

It is an arithmetic number, because the mean of its divisors is an integer number (660057210).

Almost surely, 2^5515144312 is an apocalyptic number.

It is an amenable number.

5515144312 is a deficient number, since it is larger than the sum of its proper divisors (5045771048).

5515144312 is a wasteful number, since it uses less digits than its factorization.

5515144312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14667990 (or 14667986 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 5515144312 is about 74264.0176128386. The cubic root of 5515144312 is about 1766.7928252299.

Adding to 5515144312 its reverse (2134415155), we get a palindrome (7649559467).

The spelling of 5515144312 in words is "five billion, five hundred fifteen million, one hundred forty-four thousand, three hundred twelve".