1161017471 has 2 divisors, whose sum is σ = 1161017472. Its totient is φ = 1161017470.

The previous prime is 1161017443. The next prime is 1161017479. The reversal of 1161017471 is 1747101611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161017471 - 2¹⁴ = 1161001087 is a prime.

It is a super-3 number, since 3×1161017471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161017479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580508735 + 580508736.

It is an arithmetic number, because the mean of its divisors is an integer number (580508736).

Almost surely, 2^1161017471 is an apocalyptic number.

1161017471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161017471 is an equidigital number, since it uses as much as digits as its factorization.

1161017471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 29.

The square root of 1161017471 is about 34073.7064464669. The cubic root of 1161017471 is about 1051.0246900851.

The spelling of 1161017471 in words is "one billion, one hundred sixty-one million, seventeen thousand, four hundred seventy-one".