5161511771 has 16 divisors (see below), whose sum is σ = 5746429920. Its totient is φ = 4605569280.

The previous prime is 5161511759. The next prime is 5161511791. The reversal of 5161511771 is 1771151615.

It is not a de Polignac number, because 5161511771 - 2¹⁸ = 5161249627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5161511791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13676 + ... + 102518.

It is an arithmetic number, because the mean of its divisors is an integer number (359151870).

Almost surely, 2^5161511771 is an apocalyptic number.

5161511771 is a deficient number, since it is larger than the sum of its proper divisors (584918149).

5161511771 is a wasteful number, since it uses less digits than its factorization.

5161511771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89006.

The product of its digits is 7350, while the sum is 35.

The square root of 5161511771 is about 71843.6620099505. The cubic root of 5161511771 is about 1728.1932612913.

The spelling of 5161511771 in words is "five billion, one hundred sixty-one million, five hundred eleven thousand, seven hundred seventy-one".