1187164339579 has 2 divisors, whose sum is σ = 1187164339580. Its totient is φ = 1187164339578.

The previous prime is 1187164339561. The next prime is 1187164339583. The reversal of 1187164339579 is 9759334617811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1187164339579 - 2¹⁷ = 1187164208507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1187164339579.

It is not a weakly prime, because it can be changed into another prime (1187164339279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593582169789 + 593582169790.

It is an arithmetic number, because the mean of its divisors is an integer number (593582169790).

Almost surely, 2^{1187164339579} is an apocalyptic number.

1187164339579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1187164339579 is an equidigital number, since it uses as much as digits as its factorization.

1187164339579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 64.

The spelling of 1187164339579 in words is "one trillion, one hundred eighty-seven billion, one hundred sixty-four million, three hundred thirty-nine thousand, five hundred seventy-nine".