11880394484 has 12 divisors (see below), whose sum is σ = 23760789024. Its totient is φ = 5091597624.

The previous prime is 11880394483. The next prime is 11880394517. The reversal of 11880394484 is 48449308811.

11880394484 is an admirable number.

It is a super-2 number, since 2×11880394484² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11880394483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212149874 + ... + 212149929.

It is an arithmetic number, because the mean of its divisors is an integer number (1980065752).

Almost surely, 2^11880394484 is an apocalyptic number.

11880394484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11880394484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11880394484 is a wasteful number, since it uses less digits than its factorization.

11880394484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424299814 (or 424299812 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 11880394484 in words is "eleven billion, eight hundred eighty million, three hundred ninety-four thousand, four hundred eighty-four".