5156227081 has 2 divisors, whose sum is σ = 5156227082. Its totient is φ = 5156227080.

The previous prime is 5156227003. The next prime is 5156227103. The reversal of 5156227081 is 1807226515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4777574400 + 378652681 = 69120^2 + 19459^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156227081 - 2¹⁵ = 5156194313 is a prime.

It is a super-2 number, since 2×5156227081² = 53173355421675561122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5156227081.

It is not a weakly prime, because it can be changed into another prime (5156227001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578113540 + 2578113541.

It is an arithmetic number, because the mean of its divisors is an integer number (2578113541).

Almost surely, 2^5156227081 is an apocalyptic number.

It is an amenable number.

5156227081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156227081 is an equidigital number, since it uses as much as digits as its factorization.

5156227081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 5156227081 is about 71806.8734941161. The cubic root of 5156227081 is about 1727.6032478224.

The spelling of 5156227081 in words is "five billion, one hundred fifty-six million, two hundred twenty-seven thousand, eighty-one".