110257109 has 2 divisors, whose sum is σ = 110257110. Its totient is φ = 110257108.

The previous prime is 110257099. The next prime is 110257123. The reversal of 110257109 is 901752011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81848209 + 28408900 = 9047^2 + 5330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110257109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110257129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55128554 + 55128555.

It is an arithmetic number, because the mean of its divisors is an integer number (55128555).

Almost surely, 2^110257109 is an apocalyptic number.

It is an amenable number.

110257109 is a deficient number, since it is larger than the sum of its proper divisors (1).

110257109 is an equidigital number, since it uses as much as digits as its factorization.

110257109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 110257109 is about 10500.3385183526. The cubic root of 110257109 is about 479.5150034649.

The spelling of 110257109 in words is "one hundred ten million, two hundred fifty-seven thousand, one hundred nine".