11747015280 has 800 divisors, whose sum is σ = 54809491968. Its totient is φ = 2251929600.

The previous prime is 11747015279. The next prime is 11747015299. The reversal of 11747015280 is 8251074711.

11747015280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 6485575 + ... + 6487385.

Almost surely, 2^11747015280 is an apocalyptic number.

11747015280 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 11747015280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27404745984).

11747015280 is an abundant number, since it is smaller than the sum of its proper divisors (43062476688).

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

11747015280 is a wasteful number, since it uses less digits than its factorization.

11747015280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

Adding to 11747015280 its reverse (8251074711), we get a palindrome (19998089991).

The spelling of 11747015280 in words is "eleven billion, seven hundred forty-seven million, fifteen thousand, two hundred eighty".