1172316926943 has 6 divisors (see below), whose sum is σ = 1693346672264. Its totient is φ = 781544617956.

The previous prime is 1172316926941. The next prime is 1172316926947. The reversal of 1172316926943 is 3496296132711.

It is not a de Polignac number, because 1172316926943 - 2¹ = 1172316926941 is a prime.

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 1172316926943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172316926941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65128718155 + ... + 65128718172.

Almost surely, 2^{1172316926943} is an apocalyptic number.

1172316926943 is a deficient number, since it is larger than the sum of its proper divisors (521029745321).

1172316926943 is a wasteful number, since it uses less digits than its factorization.

1172316926943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130257436333 (or 130257436330 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 1172316926943 in words is "one trillion, one hundred seventy-two billion, three hundred sixteen million, nine hundred twenty-six thousand, nine hundred forty-three".