1181979710069 has 2 divisors, whose sum is σ = 1181979710070. Its totient is φ = 1181979710068.

The previous prime is 1181979710057. The next prime is 1181979710141. The reversal of 1181979710069 is 9600179791811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693784045969 + 488195664100 = 832937^2 + 698710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1181979710069 - 2²⁸ = 1181711274613 is a prime.

It is a super-2 number, since 2×1181979710069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1181979710969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590989855034 + 590989855035.

It is an arithmetic number, because the mean of its divisors is an integer number (590989855035).

Almost surely, 2^{1181979710069} is an apocalyptic number.

It is an amenable number.

1181979710069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181979710069 is an equidigital number, since it uses as much as digits as its factorization.

1181979710069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 59.

The spelling of 1181979710069 in words is "one trillion, one hundred eighty-one billion, nine hundred seventy-nine million, seven hundred ten thousand, sixty-nine".