1180717873920 has 864 divisors, whose sum is σ = 4496746398144. Its totient is φ = 284265676800.

The previous prime is 1180717873919. The next prime is 1180717873927. The reversal of 1180717873920 is 293787170811.

1180717873920 is a `hidden beast` number, since 1 + 1 + 80 + 7 + 178 + 7 + 392 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1180717873927) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2804555310 + ... + 2804555730.

Almost surely, 2^{1180717873920} is an apocalyptic number.

1180717873920 is a gapful number since it is divisible by the number (10) 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 1180717873920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2248373199072).

1180717873920 is an abundant number, since it is smaller than the sum of its proper divisors (3316028524224).

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

1180717873920 is a wasteful number, since it uses less digits than its factorization.

1180717873920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 54.

The spelling of 1180717873920 in words is "one trillion, one hundred eighty billion, seven hundred seventeen million, eight hundred seventy-three thousand, nine hundred twenty".