11065543488 has 98 divisors (see below), whose sum is σ = 32922360114. Its totient is φ = 3688498944.

The previous prime is 11065543481. The next prime is 11065543493. The reversal of 11065543488 is 88434556011.

11065543488 is a `hidden beast` number, since 1 + 1 + 0 + 65 + 543 + 48 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11065356864 + 186624 = 105192^2 + 432^2 .

It is a super-2 number, since 2×11065543488² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11065543481) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 71931 + ... + 165242.

Almost surely, 2^11065543488 is an apocalyptic number.

11065543488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11065543488 is an abundant number, since it is smaller than the sum of its proper divisors (21856816626).

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

11065543488 is an frugal number, since it uses more digits than its factorization.

11065543488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237203 (or 237178 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 11065543488 in words is "eleven billion, sixty-five million, five hundred forty-three thousand, four hundred eighty-eight".