2251166244259 has 2 divisors, whose sum is σ = 2251166244260. Its totient is φ = 2251166244258.

The previous prime is 2251166244227. The next prime is 2251166244287. The reversal of 2251166244259 is 9524426611522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251166244259 - 2⁵ = 2251166244227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2251166214259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125583122129 + 1125583122130.

It is an arithmetic number, because the mean of its divisors is an integer number (1125583122130).

Almost surely, 2^{2251166244259} is an apocalyptic number.

2251166244259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251166244259 is an equidigital number, since it uses as much as digits as its factorization.

2251166244259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 49.

The spelling of 2251166244259 in words is "two trillion, two hundred fifty-one billion, one hundred sixty-six million, two hundred forty-four thousand, two hundred fifty-nine".