1161165527 has 2 divisors, whose sum is σ = 1161165528. Its totient is φ = 1161165526.

The previous prime is 1161165497. The next prime is 1161165541. The reversal of 1161165527 is 7255611611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161165527 - 2³⁰ = 87423703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161165227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580582763 + 580582764.

It is an arithmetic number, because the mean of its divisors is an integer number (580582764).

Almost surely, 2^1161165527 is an apocalyptic number.

1161165527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161165527 is an equidigital number, since it uses as much as digits as its factorization.

1161165527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 35.

The square root of 1161165527 is about 34075.8789615176. The cubic root of 1161165527 is about 1051.0693646632.

The spelling of 1161165527 in words is "one billion, one hundred sixty-one million, one hundred sixty-five thousand, five hundred twenty-seven".