11880941436 has 576 divisors, whose sum is σ = 41590886400. Its totient is φ = 2853937152.

The previous prime is 11880941417. The next prime is 11880941437. The reversal of 11880941436 is 63414908811.

It is a junction number, because it is equal to n+sod(n) for n = 11880941391 and 11880941400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11880941437) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 133493680 + ... + 133493768.

It is an arithmetic number, because the mean of its divisors is an integer number (72206400).

Almost surely, 2^11880941436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11880941436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20795443200).

11880941436 is an abundant number, since it is smaller than the sum of its proper divisors (29709944964).

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

11880941436 is a wasteful number, since it uses less digits than its factorization.

11880941436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 11880941436 in words is "eleven billion, eight hundred eighty million, nine hundred forty-one thousand, four hundred thirty-six".