1151205017 has 2 divisors, whose sum is σ = 1151205018. Its totient is φ = 1151205016.

The previous prime is 1151205007. The next prime is 1151205023. The reversal of 1151205017 is 7105021511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 777517456 + 373687561 = 27884^2 + 19331^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151205017 - 2¹⁰ = 1151203993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1151204983 and 1151205001.

It is not a weakly prime, because it can be changed into another prime (1151205007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575602508 + 575602509.

It is an arithmetic number, because the mean of its divisors is an integer number (575602509).

Almost surely, 2^1151205017 is an apocalyptic number.

It is an amenable number.

1151205017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151205017 is an equidigital number, since it uses as much as digits as its factorization.

1151205017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1151205017 is about 33929.4122701823. The cubic root of 1151205017 is about 1048.0553627421.

Adding to 1151205017 its reverse (7105021511), we get a palindrome (8256226528).

The spelling of 1151205017 in words is "one billion, one hundred fifty-one million, two hundred five thousand, seventeen".