11061322664 has 64 divisors (see below), whose sum is σ = 24150048000. Its totient is φ = 4651789824.

The previous prime is 11061322661. The next prime is 11061322711. The reversal of 11061322664 is 46622316011.

It is a self number, because there is not a number n which added to its sum of digits gives 11061322664.

It is not an unprimeable number, because it can be changed into a prime (11061322661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806714 + ... + 820310.

It is an arithmetic number, because the mean of its divisors is an integer number (377344500).

Almost surely, 2^11061322664 is an apocalyptic number.

11061322664 is a gapful number since it is divisible by the number (14) 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 11061322664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12075024000).

11061322664 is an abundant number, since it is smaller than the sum of its proper divisors (13088725336).

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

11061322664 is a wasteful number, since it uses less digits than its factorization.

11061322664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13882 (or 13878 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 11061322664 its reverse (46622316011), we get a palindrome (57683638675).

The spelling of 11061322664 in words is "eleven billion, sixty-one million, three hundred twenty-two thousand, six hundred sixty-four".