11487353280 has 224 divisors, whose sum is σ = 39525878784. Its totient is φ = 2809810944.

The previous prime is 11487353261. The next prime is 11487353291. The reversal of 11487353280 is 8235378411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2031417 + ... + 2037063.

It is an arithmetic number, because the mean of its divisors is an integer number (176454816).

Almost surely, 2^11487353280 is an apocalyptic number.

11487353280 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 11487353280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19762939392).

11487353280 is an abundant number, since it is smaller than the sum of its proper divisors (28038525504).

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

11487353280 is a wasteful number, since it uses less digits than its factorization.

11487353280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843 (or 5833 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 11487353280 in words is "eleven billion, four hundred eighty-seven million, three hundred fifty-three thousand, two hundred eighty".