11893382280 has 384 divisors, whose sum is σ = 43904689920. Its totient is φ = 2877742080.

The previous prime is 11893382279. The next prime is 11893382287. The reversal of 11893382280 is 8228339811.

It is a happy number.

11893382280 is a `hidden beast` number, since 11 + 89 + 338 + 228 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11893382287) 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, 7707189 + ... + 7708731.

It is an arithmetic number, because the mean of its divisors is an integer number (114335130).

Almost surely, 2^11893382280 is an apocalyptic number.

11893382280 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 11893382280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21952344960).

11893382280 is an abundant number, since it is smaller than the sum of its proper divisors (32011307640).

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

11893382280 is a wasteful number, since it uses less digits than its factorization.

11893382280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1627 counting only the distinct ones).

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

The spelling of 11893382280 in words is "eleven billion, eight hundred ninety-three million, three hundred eighty-two thousand, two hundred eighty".