11443517480 has 32 divisors (see below), whose sum is σ = 25869961440. Its totient is φ = 4555709760.

The previous prime is 11443517461. The next prime is 11443517489. The reversal of 11443517480 is 8471534411.

It is a super-3 number, since 3×11443517480³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11443517489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669494 + ... + 686373.

It is an arithmetic number, because the mean of its divisors is an integer number (808436295).

Almost surely, 2^11443517480 is an apocalyptic number.

11443517480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11443517480 is an abundant number, since it is smaller than the sum of its proper divisors (14426443960).

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

11443517480 is a wasteful number, since it uses less digits than its factorization.

11443517480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356089 (or 1356085 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 11443517480 in words is "eleven billion, four hundred forty-three million, five hundred seventeen thousand, four hundred eighty".