11016321540 has 192 divisors, whose sum is σ = 36977762304. Its totient is φ = 2397676032.

The previous prime is 11016321527. The next prime is 11016321557. The reversal of 11016321540 is 4512361011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11016321540.

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, 722839 + ... + 737921.

It is an arithmetic number, because the mean of its divisors is an integer number (192592512).

Almost surely, 2^11016321540 is an apocalyptic number.

11016321540 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 11016321540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18488881152).

11016321540 is an abundant number, since it is smaller than the sum of its proper divisors (25961440764).

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

11016321540 is a wasteful number, since it uses less digits than its factorization.

11016321540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186 (or 15184 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 11016321540 its reverse (4512361011), we get a palindrome (15528682551).

The spelling of 11016321540 in words is "eleven billion, sixteen million, three hundred twenty-one thousand, five hundred forty".