5116556129 has 2 divisors, whose sum is σ = 5116556130. Its totient is φ = 5116556128.

The previous prime is 5116556099. The next prime is 5116556143. The reversal of 5116556129 is 9216556115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5062607104 + 53949025 = 71152^2 + 7345^2 .

It is a cyclic number.

It is not a de Polignac number, because 5116556129 - 2¹⁶ = 5116490593 is a prime.

It is not a weakly prime, because it can be changed into another prime (5116256129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2558278064 + 2558278065.

It is an arithmetic number, because the mean of its divisors is an integer number (2558278065).

Almost surely, 2^5116556129 is an apocalyptic number.

It is an amenable number.

5116556129 is a deficient number, since it is larger than the sum of its proper divisors (1).

5116556129 is an equidigital number, since it uses as much as digits as its factorization.

5116556129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 41.

The square root of 5116556129 is about 71530.1064517592. The cubic root of 5116556129 is about 1723.1612281025.

The spelling of 5116556129 in words is "five billion, one hundred sixteen million, five hundred fifty-six thousand, one hundred twenty-nine".