2116527757 has 2 divisors, whose sum is σ = 2116527758. Its totient is φ = 2116527756.

The previous prime is 2116527733. The next prime is 2116527799. The reversal of 2116527757 is 7577256112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2018794761 + 97732996 = 44931^2 + 9886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116527757 - 2¹¹ = 2116525709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116524757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058263878 + 1058263879.

It is an arithmetic number, because the mean of its divisors is an integer number (1058263879).

Almost surely, 2^2116527757 is an apocalyptic number.

It is an amenable number.

2116527757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116527757 is an equidigital number, since it uses as much as digits as its factorization.

2116527757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205800, while the sum is 43.

The square root of 2116527757 is about 46005.7361314869. The cubic root of 2116527757 is about 1283.9299296088.

The spelling of 2116527757 in words is "two billion, one hundred sixteen million, five hundred twenty-seven thousand, seven hundred fifty-seven".