1118968342969 has 9 divisors (see below), whose sum is σ = 1156262360229. Its totient is φ = 1082840855580.

The previous prime is 1118968342931. The next prime is 1118968343027. The reversal of 1118968342969 is 9692438698111.

The square root of 1118968342969 is 1057813.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-1118968342969 is a prime.

It is a super-2 number, since 2×1118968342969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118968342469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32775142 + ... + 32809264.

It is an arithmetic number, because the mean of its divisors is an integer number (128473595581).

Almost surely, 2^{1118968342969} is an apocalyptic number.

1118968342969 is the 1057813-rd square number.

1118968342969 is the 528907-th centered octagonal number.

It is an amenable number.

1118968342969 is a deficient number, since it is larger than the sum of its proper divisors (37294017260).

1118968342969 is an frugal number, since it uses more digits than its factorization.

1118968342969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68308 (or 34154 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 67.

The spelling of 1118968342969 in words is "one trillion, one hundred eighteen billion, nine hundred sixty-eight million, three hundred forty-two thousand, nine hundred sixty-nine".