1181025886680 has 192 divisors, whose sum is σ = 3898890309600. Its totient is φ = 309979422720.

The previous prime is 1181025886673. The next prime is 1181025886693. The reversal of 1181025886680 is 866885201811.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 29623560 + ... + 29663400.

Almost surely, 2^{1181025886680} is an apocalyptic number.

1181025886680 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 1181025886680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949445154800).

1181025886680 is an abundant number, since it is smaller than the sum of its proper divisors (2717864422920).

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

1181025886680 is a wasteful number, since it uses less digits than its factorization.

1181025886680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41154 (or 41147 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 54.

The spelling of 1181025886680 in words is "one trillion, one hundred eighty-one billion, twenty-five million, eight hundred eighty-six thousand, six hundred eighty".