1191068652259 has 4 divisors (see below), whose sum is σ = 1192148498016. Its totient is φ = 1189988806504.

The previous prime is 1191068652251. The next prime is 1191068652289. The reversal of 1191068652259 is 9522568601911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1191068652259 - 2³ = 1191068652251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1191068652251) 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 in 3 ways as a sum of consecutive naturals, for example, 539921224 + ... + 539923429.

It is an arithmetic number, because the mean of its divisors is an integer number (298037124504).

Almost surely, 2^{1191068652259} is an apocalyptic number.

1191068652259 is a deficient number, since it is larger than the sum of its proper divisors (1079845757).

1191068652259 is a wasteful number, since it uses less digits than its factorization.

1191068652259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079845756.

The product of its (nonzero) digits is 2332800, while the sum is 55.

The spelling of 1191068652259 in words is "one trillion, one hundred ninety-one billion, sixty-eight million, six hundred fifty-two thousand, two hundred fifty-nine".