1178999351712 has 1152 divisors, whose sum is σ = 4485508005888. Its totient is φ = 296284262400.

The previous prime is 1178999351693. The next prime is 1178999351729. The reversal of 1178999351712 is 2171539998711.

1178999351712 is a `hidden beast` number, since 1 + 17 + 8 + 9 + 9 + 93 + 517 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 1178999351712.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1557462438 + ... + 1557463194.

It is an arithmetic number, because the mean of its divisors is an integer number (3893670144).

Almost surely, 2^{1178999351712} is an apocalyptic number.

1178999351712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1178999351712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2242754002944).

1178999351712 is an abundant number, since it is smaller than the sum of its proper divisors (3306508654176).

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

1178999351712 is a wasteful number, since it uses less digits than its factorization.

1178999351712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 884 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 63.

The spelling of 1178999351712 in words is "one trillion, one hundred seventy-eight billion, nine hundred ninety-nine million, three hundred fifty-one thousand, seven hundred twelve".