1161176057 has 2 divisors, whose sum is σ = 1161176058. Its totient is φ = 1161176056.

The previous prime is 1161176017. The next prime is 1161176077. The reversal of 1161176057 is 7506711611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022784361 + 138391696 = 31981^2 + 11764^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161176057 - 2¹⁶ = 1161110521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161176017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580588028 + 580588029.

It is an arithmetic number, because the mean of its divisors is an integer number (580588029).

Almost surely, 2^1161176057 is an apocalyptic number.

It is an amenable number.

1161176057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161176057 is an equidigital number, since it uses as much as digits as its factorization.

1161176057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 1161176057 is about 34076.0334692875. The cubic root of 1161176057 is about 1051.0725418522.

Adding to 1161176057 its reverse (7506711611), we get a palindrome (8667887668).

The spelling of 1161176057 in words is "one billion, one hundred sixty-one million, one hundred seventy-six thousand, fifty-seven".