5011216161 has 32 divisors (see below), whose sum is σ = 8047948800. Its totient is φ = 2709495360.

The previous prime is 5011216129. The next prime is 5011216163. The reversal of 5011216161 is 1616121105.

It is not a de Polignac number, because 5011216161 - 2⁵ = 5011216129 is a prime.

It is a super-2 number, since 2×5011216161² = 50224574824535155842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5011216163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335431 + ... + 350051.

It is an arithmetic number, because the mean of its divisors is an integer number (251498400).

Almost surely, 2^5011216161 is an apocalyptic number.

It is an amenable number.

5011216161 is a deficient number, since it is larger than the sum of its proper divisors (3036732639).

5011216161 is a wasteful number, since it uses less digits than its factorization.

5011216161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15509.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 5011216161 is about 70789.9439256735. The cubic root of 5011216161 is about 1711.2536161509.

Adding to 5011216161 its reverse (1616121105), we get a palindrome (6627337266).

The spelling of 5011216161 in words is "five billion, eleven million, two hundred sixteen thousand, one hundred sixty-one".