5001011161 has 2 divisors, whose sum is σ = 5001011162. Its totient is φ = 5001011160.

The previous prime is 5001011101. The next prime is 5001011173. The reversal of 5001011161 is 1611101005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4037839936 + 963171225 = 63544^2 + 31035^2 .

It is a cyclic number.

It is not a de Polignac number, because 5001011161 - 2¹⁹ = 5000486873 is a prime.

It is a super-2 number, since 2×5001011161² = 50020225264893135842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5001011101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500505580 + 2500505581.

It is an arithmetic number, because the mean of its divisors is an integer number (2500505581).

Almost surely, 2^5001011161 is an apocalyptic number.

It is an amenable number.

5001011161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001011161 is an equidigital number, since it uses as much as digits as its factorization.

5001011161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 5001011161 is about 70717.8277452016. The cubic root of 5001011161 is about 1710.0912096396.

Adding to 5001011161 its reverse (1611101005), we get a palindrome (6612112166).

The spelling of 5001011161 in words is "five billion, one million, eleven thousand, one hundred sixty-one".