11320829718 has 64 divisors (see below), whose sum is σ = 25623198720. Its totient is φ = 3304454400.

The previous prime is 11320829647. The next prime is 11320829743. The reversal of 11320829718 is 81792802311.

It is a super-2 number, since 2×11320829718² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11320829718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187296 + ... + 240252.

It is an arithmetic number, because the mean of its divisors is an integer number (400362480).

Almost surely, 2^11320829718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11320829718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12811599360).

11320829718 is an abundant number, since it is smaller than the sum of its proper divisors (14302369002).

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

11320829718 is a wasteful number, since it uses less digits than its factorization.

11320829718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53093.

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 11320829718 in words is "eleven billion, three hundred twenty million, eight hundred twenty-nine thousand, seven hundred eighteen".