11811069952 has 56 divisors (see below), whose sum is σ = 25768230912. Its totient is φ = 5368627200.

The previous prime is 11811069947. The next prime is 11811069961. The reversal of 11811069952 is 25996011811.

11811069952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11811069952² (a number of 21 digits) contains 22 as substring.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 11811069899 and 11811069908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24577 + ... + 155647.

Almost surely, 2^11811069952 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 11811069952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12884115456).

11811069952 is an abundant number, since it is smaller than the sum of its proper divisors (13957160960).

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

11811069952 is an equidigital number, since it uses as much as digits as its factorization.

11811069952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131108 (or 131084 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 43.

The spelling of 11811069952 in words is "eleven billion, eight hundred eleven million, sixty-nine thousand, nine hundred fifty-two".