1157171153 has 2 divisors, whose sum is σ = 1157171154. Its totient is φ = 1157171152.

The previous prime is 1157171149. The next prime is 1157171179. The reversal of 1157171153 is 3511717511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1142980864 + 14190289 = 33808^2 + 3767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157171153 - 2² = 1157171149 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157161153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578585576 + 578585577.

It is an arithmetic number, because the mean of its divisors is an integer number (578585577).

Almost surely, 2^1157171153 is an apocalyptic number.

It is an amenable number.

1157171153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157171153 is an equidigital number, since it uses as much as digits as its factorization.

1157171153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3675, while the sum is 32.

The square root of 1157171153 is about 34017.2184782942. The cubic root of 1157171153 is about 1049.8627645281.

Adding to 1157171153 its reverse (3511717511), we get a palindrome (4668888664).

The spelling of 1157171153 in words is "one billion, one hundred fifty-seven million, one hundred seventy-one thousand, one hundred fifty-three".