5016115681 has 2 divisors, whose sum is σ = 5016115682. Its totient is φ = 5016115680.

The previous prime is 5016115667. The next prime is 5016115721. The reversal of 5016115681 is 1865116105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4489000000 + 527115681 = 67000^2 + 22959^2 .

It is a cyclic number.

It is not a de Polignac number, because 5016115681 - 2³¹ = 2868632033 is a prime.

It is a super-2 number, since 2×5016115681² = 50322833050348187522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5016115651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508057840 + 2508057841.

It is an arithmetic number, because the mean of its divisors is an integer number (2508057841).

Almost surely, 2^5016115681 is an apocalyptic number.

It is an amenable number.

5016115681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5016115681 is an equidigital number, since it uses as much as digits as its factorization.

5016115681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 5016115681 is about 70824.5415163416. The cubic root of 5016115681 is about 1711.8111381875.

The spelling of 5016115681 in words is "five billion, sixteen million, one hundred fifteen thousand, six hundred eighty-one".