1195811153 has 2 divisors, whose sum is σ = 1195811154. Its totient is φ = 1195811152.

The previous prime is 1195811051. The next prime is 1195811167. The reversal of 1195811153 is 3511185911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 927080704 + 268730449 = 30448^2 + 16393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1195811153 - 2¹² = 1195807057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1195811173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597905576 + 597905577.

It is an arithmetic number, because the mean of its divisors is an integer number (597905577).

Almost surely, 2^1195811153 is an apocalyptic number.

It is an amenable number.

1195811153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195811153 is an equidigital number, since it uses as much as digits as its factorization.

1195811153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 35.

The square root of 1195811153 is about 34580.5024977949. The cubic root of 1195811153 is about 1061.4206515057.

The spelling of 1195811153 in words is "one billion, one hundred ninety-five million, eight hundred eleven thousand, one hundred fifty-three".