1178885209968 has 40 divisors (see below), whose sum is σ = 3383837178000. Its totient is φ = 392961736512.

The previous prime is 1178885209949. The next prime is 1178885209993. The reversal of 1178885209968 is 8699025888711.

1178885209968 is a `hidden beast` number, since 1 + 1 + 7 + 8 + 8 + 8 + 520 + 9 + 96 + 8 = 666.

It is a super-2 number, since 2×1178885209968² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 1178885209896 and 1178885209905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364450043 + ... + 1364450906.

It is an arithmetic number, because the mean of its divisors is an integer number (84595929450).

Almost surely, 2^{1178885209968} is an apocalyptic number.

1178885209968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1178885209968 is an abundant number, since it is smaller than the sum of its proper divisors (2204951968032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1178885209968 is a wasteful number, since it uses less digits than its factorization.

1178885209968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728900966 (or 2728900954 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 72.

The spelling of 1178885209968 in words is "one trillion, one hundred seventy-eight billion, eight hundred eighty-five million, two hundred nine thousand, nine hundred sixty-eight".