1178930217993 has 12 divisors (see below), whose sum is σ = 1714816662384. Its totient is φ = 714499382200.

The previous prime is 1178930217991. The next prime is 1178930218007. The reversal of 1178930217993 is 3997120398711.

It is not a de Polignac number, because 1178930217993 - 2¹ = 1178930217991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1178930217991) 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 11 ways as a sum of consecutive naturals, for example, 6142858 + ... + 6331868.

It is an arithmetic number, because the mean of its divisors is an integer number (142901388532).

Almost surely, 2^{1178930217993} is an apocalyptic number.

It is an amenable number.

1178930217993 is a deficient number, since it is larger than the sum of its proper divisors (535886444391).

1178930217993 is an frugal number, since it uses more digits than its factorization.

1178930217993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378036 (or 189025 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 60.

The spelling of 1178930217993 in words is "one trillion, one hundred seventy-eight billion, nine hundred thirty million, two hundred seventeen thousand, nine hundred ninety-three".