2718118157 has 2 divisors, whose sum is σ = 2718118158. Its totient is φ = 2718118156.

The previous prime is 2718118129. The next prime is 2718118163. The reversal of 2718118157 is 7518118172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1802087401 + 916030756 = 42451^2 + 30266^2 .

It is a cyclic number.

It is not a de Polignac number, because 2718118157 - 2⁸ = 2718117901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2718118057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359059078 + 1359059079.

It is an arithmetic number, because the mean of its divisors is an integer number (1359059079).

Almost surely, 2^2718118157 is an apocalyptic number.

It is an amenable number.

2718118157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2718118157 is an equidigital number, since it uses as much as digits as its factorization.

2718118157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 41.

The square root of 2718118157 is about 52135.5747738528. The cubic root of 2718118157 is about 1395.5844139476.

The spelling of 2718118157 in words is "two billion, seven hundred eighteen million, one hundred eighteen thousand, one hundred fifty-seven".