13111022848 has 144 divisors (see below), whose sum is σ = 32969752704. Its totient is φ = 5054791680.

The previous prime is 13111022843. The next prime is 13111022867. The reversal of 13111022848 is 84822011131.

It is a super-2 number, since 2×13111022848² (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 (13111022843) 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, 1908636 + ... + 1915492.

It is an arithmetic number, because the mean of its divisors is an integer number (228956616).

Almost surely, 2^13111022848 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 13111022848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16484876352).

13111022848 is an abundant number, since it is smaller than the sum of its proper divisors (19858729856).

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

13111022848 is an equidigital number, since it uses as much as digits as its factorization.

13111022848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988 (or 6974 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

Adding to 13111022848 its reverse (84822011131), we get a palindrome (97933033979).

The spelling of 13111022848 in words is "thirteen billion, one hundred eleven million, twenty-two thousand, eight hundred forty-eight".