1172713726079 has 4 divisors (see below), whose sum is σ = 1340244258384. Its totient is φ = 1005183193776.

The previous prime is 1172713726049. The next prime is 1172713726097. The reversal of 1172713726079 is 9706273172711.

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 1172713726079 - 2⁸ = 1172713725823 is a prime.

It is a super-3 number, since 3×1172713726079³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1172713726079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172713726049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83765266142 + ... + 83765266155.

It is an arithmetic number, because the mean of its divisors is an integer number (335061064596).

Almost surely, 2^{1172713726079} is an apocalyptic number.

1172713726079 is a deficient number, since it is larger than the sum of its proper divisors (167530532305).

1172713726079 is an equidigital number, since it uses as much as digits as its factorization.

1172713726079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167530532304.

The product of its (nonzero) digits is 1555848, while the sum is 53.

The spelling of 1172713726079 in words is "one trillion, one hundred seventy-two billion, seven hundred thirteen million, seven hundred twenty-six thousand, seventy-nine".