1161106469 has 2 divisors, whose sum is σ = 1161106470. Its totient is φ = 1161106468.

The previous prime is 1161106459. The next prime is 1161106559. The reversal of 1161106469 is 9646011611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1121580100 + 39526369 = 33490^2 + 6287^2 .

It is an emirp because it is prime and its reverse (9646011611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161106469 - 2²⁰ = 1160057893 is a prime.

It is a super-2 number, since 2×1161106469² = 2696336464707295922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161106439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580553234 + 580553235.

It is an arithmetic number, because the mean of its divisors is an integer number (580553235).

Almost surely, 2^1161106469 is an apocalyptic number.

It is an amenable number.

1161106469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161106469 is an equidigital number, since it uses as much as digits as its factorization.

1161106469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1161106469 is about 34075.0123844438. The cubic root of 1161106469 is about 1051.0515448935.

The spelling of 1161106469 in words is "one billion, one hundred sixty-one million, one hundred six thousand, four hundred sixty-nine".