1105745617 has 2 divisors, whose sum is σ = 1105745618. Its totient is φ = 1105745616.

The previous prime is 1105745591. The next prime is 1105745623. The reversal of 1105745617 is 7165475011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 964040401 + 141705216 = 31049^2 + 11904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105745617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105745647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552872808 + 552872809.

It is an arithmetic number, because the mean of its divisors is an integer number (552872809).

Almost surely, 2^1105745617 is an apocalyptic number.

It is an amenable number.

1105745617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105745617 is an equidigital number, since it uses as much as digits as its factorization.

1105745617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 1105745617 is about 33252.7535250842. The cubic root of 1105745617 is about 1034.0742940780.

The spelling of 1105745617 in words is "one billion, one hundred five million, seven hundred forty-five thousand, six hundred seventeen".