1161105767 has 2 divisors, whose sum is σ = 1161105768. Its totient is φ = 1161105766.

The previous prime is 1161105731. The next prime is 1161105809. The reversal of 1161105767 is 7675011611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1161105767 - 2⁶ = 1161105703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161105707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580552883 + 580552884.

It is an arithmetic number, because the mean of its divisors is an integer number (580552884).

Almost surely, 2^1161105767 is an apocalyptic number.

1161105767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161105767 is an equidigital number, since it uses as much as digits as its factorization.

1161105767 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 1161105767 is about 34075.0020836390. The cubic root of 1161105767 is about 1051.0513330730.

The spelling of 1161105767 in words is "one billion, one hundred sixty-one million, one hundred five thousand, seven hundred sixty-seven".