210116250137 has 2 divisors, whose sum is σ = 210116250138. Its totient is φ = 210116250136.

The previous prime is 210116250031. The next prime is 210116250187. The reversal of 210116250137 is 731052611012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132009415561 + 78106834576 = 363331^2 + 279476^2 .

It is a cyclic number.

It is not a de Polignac number, because 210116250137 - 2³² = 205821282841 is a prime.

It is not a weakly prime, because it can be changed into another prime (210116250187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105058125068 + 105058125069.

It is an arithmetic number, because the mean of its divisors is an integer number (105058125069).

Almost surely, 2^210116250137 is an apocalyptic number.

It is an amenable number.

210116250137 is a deficient number, since it is larger than the sum of its proper divisors (1).

210116250137 is an equidigital number, since it uses as much as digits as its factorization.

210116250137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 210116250137 its reverse (731052611012), we get a palindrome (941168861149).

The spelling of 210116250137 in words is "two hundred ten billion, one hundred sixteen million, two hundred fifty thousand, one hundred thirty-seven".