1151352161 has 2 divisors, whose sum is σ = 1151352162. Its totient is φ = 1151352160.

The previous prime is 1151352157. The next prime is 1151352197. The reversal of 1151352161 is 1612531511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140750625 + 10601536 = 33775^2 + 3256^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151352161 - 2² = 1151352157 is a prime.

It is a super-2 number, since 2×1151352161² = 2651223597278739842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1151352161.

It is not a weakly prime, because it can be changed into another prime (1151352361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575676080 + 575676081.

It is an arithmetic number, because the mean of its divisors is an integer number (575676081).

Almost surely, 2^1151352161 is an apocalyptic number.

It is an amenable number.

1151352161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151352161 is an equidigital number, since it uses as much as digits as its factorization.

1151352161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 26.

The square root of 1151352161 is about 33931.5805850538. The cubic root of 1151352161 is about 1048.1000140672.

Adding to 1151352161 its reverse (1612531511), we get a palindrome (2763883672).

The spelling of 1151352161 in words is "one billion, one hundred fifty-one million, three hundred fifty-two thousand, one hundred sixty-one".