1161747017 has 2 divisors, whose sum is σ = 1161747018. Its totient is φ = 1161747016.

The previous prime is 1161746977. The next prime is 1161747079. The reversal of 1161747017 is 7107471611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1138117696 + 23629321 = 33736^2 + 4861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161747017 - 2¹⁸ = 1161484873 is a prime.

It is a super-2 number, since 2×1161747017² = 2699312263016796578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1161747217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580873508 + 580873509.

It is an arithmetic number, because the mean of its divisors is an integer number (580873509).

Almost surely, 2^1161747017 is an apocalyptic number.

It is an amenable number.

1161747017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161747017 is an equidigital number, since it uses as much as digits as its factorization.

1161747017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 35.

The square root of 1161747017 is about 34084.4101753280. The cubic root of 1161747017 is about 1051.2447873500.

The spelling of 1161747017 in words is "one billion, one hundred sixty-one million, seven hundred forty-seven thousand, seventeen".