5511065040 has 320 divisors, whose sum is σ = 20703674880. Its totient is φ = 1356009984.

The previous prime is 5511065033. The next prime is 5511065059. The reversal of 5511065040 is 405601155.

It is a happy number.

5511065040 is a `hidden beast` number, since 5 + 5 + 1 + 1 + 0 + 650 + 4 + 0 = 666.

It is a super-2 number, since 2×5511065040² = 60743675750220403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5511064995 and 5511065013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2273269 + ... + 2275691.

It is an arithmetic number, because the mean of its divisors is an integer number (64698984).

Almost surely, 2^5511065040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5511065040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10351837440).

5511065040 is an abundant number, since it is smaller than the sum of its proper divisors (15192609840).

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

5511065040 is a wasteful number, since it uses less digits than its factorization.

5511065040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5511065040 is about 74236.5478723250. The cubic root of 5511065040 is about 1766.3571154966.

Adding to 5511065040 its reverse (405601155), we get a palindrome (5916666195).

The spelling of 5511065040 in words is "five billion, five hundred eleven million, sixty-five thousand, forty".