5511045731 has 2 divisors, whose sum is σ = 5511045732. Its totient is φ = 5511045730.

The previous prime is 5511045691. The next prime is 5511045763. The reversal of 5511045731 is 1375401155.

It is an a-pointer prime, because the next prime (5511045763) can be obtained adding 5511045731 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5511045731 - 2¹⁸ = 5510783587 is a prime.

It is a super-2 number, since 2×5511045731² = 60743250098346648722, which contains 22 as substring.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755522865 + 2755522866.

It is an arithmetic number, because the mean of its divisors is an integer number (2755522866).

Almost surely, 2^5511045731 is an apocalyptic number.

5511045731 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511045731 is an equidigital number, since it uses as much as digits as its factorization.

5511045731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 5511045731 is about 74236.4178217134. The cubic root of 5511045731 is about 1766.3550525783.

Adding to 5511045731 its reverse (1375401155), we get a palindrome (6886446886).

The spelling of 5511045731 in words is "five billion, five hundred eleven million, forty-five thousand, seven hundred thirty-one".