1181120812032 has 528 divisors, whose sum is σ = 3835509425280. Its totient is φ = 321593868288.

The previous prime is 1181120811989. The next prime is 1181120812061. The reversal of 1181120812032 is 2302180211811.

It is a super-3 number, since 3×1181120812032³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1346773578 + ... + 1346774454.

Almost surely, 2^{1181120812032} is an apocalyptic number.

1181120812032 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 1181120812032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917754712640).

1181120812032 is an abundant number, since it is smaller than the sum of its proper divisors (2654388613248).

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

1181120812032 is a wasteful number, since it uses less digits than its factorization.

1181120812032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

The spelling of 1181120812032 in words is "one trillion, one hundred eighty-one billion, one hundred twenty million, eight hundred twelve thousand, thirty-two".