5511515243 has 12 divisors (see below), whose sum is σ = 6305166000. Its totient is φ = 4788281472.

The previous prime is 5511515213. The next prime is 5511515287. The reversal of 5511515243 is 3425151155.

It is not a de Polignac number, because 5511515243 - 2¹² = 5511511147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511515213) 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 11 ways as a sum of consecutive naturals, for example, 729743 + ... + 737256.

It is an arithmetic number, because the mean of its divisors is an integer number (525430500).

Almost surely, 2^5511515243 is an apocalyptic number.

5511515243 is a deficient number, since it is larger than the sum of its proper divisors (793650757).

5511515243 is a wasteful number, since it uses less digits than its factorization.

5511515243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467046 (or 1467029 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

The square root of 5511515243 is about 74239.5800297927. The cubic root of 5511515243 is about 1766.4052125288.

Adding to 5511515243 its reverse (3425151155), we get a palindrome (8936666398).

The spelling of 5511515243 in words is "five billion, five hundred eleven million, five hundred fifteen thousand, two hundred forty-three".