1173616279361 has 8 divisors (see below), whose sum is σ = 1186710340200. Its totient is φ = 1160564526720.

The previous prime is 1173616279267. The next prime is 1173616279369. The reversal of 1173616279361 is 1639726163711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 142008385600 + 1031607893761 = 376840^2 + 1015681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1173616279361 - 2¹⁰ = 1173616278337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1173616279369) 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 7 ways as a sum of consecutive naturals, for example, 10521260 + ... + 10632221.

It is an arithmetic number, because the mean of its divisors is an integer number (148338792525).

Almost surely, 2^{1173616279361} is an apocalyptic number.

It is an amenable number.

1173616279361 is a deficient number, since it is larger than the sum of its proper divisors (13094060839).

1173616279361 is a wasteful number, since it uses less digits than its factorization.

1173616279361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21154099.

The product of its digits is 1714608, while the sum is 53.

The spelling of 1173616279361 in words is "one trillion, one hundred seventy-three billion, six hundred sixteen million, two hundred seventy-nine thousand, three hundred sixty-one".