1179556853 has 2 divisors, whose sum is σ = 1179556854. Its totient is φ = 1179556852.

The previous prime is 1179556843. The next prime is 1179556871. The reversal of 1179556853 is 3586559711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 892694884 + 286861969 = 29878^2 + 16937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1179556853 - 2⁸ = 1179556597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1179556843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589778426 + 589778427.

It is an arithmetic number, because the mean of its divisors is an integer number (589778427).

Almost surely, 2^1179556853 is an apocalyptic number.

It is an amenable number.

1179556853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179556853 is an equidigital number, since it uses as much as digits as its factorization.

1179556853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 50.

The square root of 1179556853 is about 34344.6772149630. The cubic root of 1179556853 is about 1056.5895053347.

The spelling of 1179556853 in words is "one billion, one hundred seventy-nine million, five hundred fifty-six thousand, eight hundred fifty-three".