1179664545511 has 2 divisors, whose sum is σ = 1179664545512. Its totient is φ = 1179664545510.

The previous prime is 1179664545509. The next prime is 1179664545523. The reversal of 1179664545511 is 1155454669711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1179664545511 - 2¹ = 1179664545509 is a prime.

It is a super-2 number, since 2×1179664545511² (a number of 25 digits) contains 22 as substring.

Together with 1179664545509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1179664545541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589832272755 + 589832272756.

It is an arithmetic number, because the mean of its divisors is an integer number (589832272756).

Almost surely, 2^{1179664545511} is an apocalyptic number.

1179664545511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179664545511 is an equidigital number, since it uses as much as digits as its factorization.

1179664545511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536000, while the sum is 55.

The spelling of 1179664545511 in words is "one trillion, one hundred seventy-nine billion, six hundred sixty-four million, five hundred forty-five thousand, five hundred eleven".