1172842851293 has 16 divisors (see below), whose sum is σ = 1202161409280. Its totient is φ = 1143712253376.

The previous prime is 1172842851247. The next prime is 1172842851307. The reversal of 1172842851293 is 3921582482711.

It is a cyclic number.

It is not a de Polignac number, because 1172842851293 - 2³⁴ = 1155662982109 is a prime.

It is a super-2 number, since 2×1172842851293² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172842871293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18012071 + ... + 18077067.

It is an arithmetic number, because the mean of its divisors is an integer number (75135088080).

Almost surely, 2^{1172842851293} is an apocalyptic number.

It is an amenable number.

1172842851293 is a deficient number, since it is larger than the sum of its proper divisors (29318557987).

1172842851293 is a wasteful number, since it uses less digits than its factorization.

1172842851293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66436.

The product of its digits is 1935360, while the sum is 53.

The spelling of 1172842851293 in words is "one trillion, one hundred seventy-two billion, eight hundred forty-two million, eight hundred fifty-one thousand, two hundred ninety-three".