11171070512 has 80 divisors (see below), whose sum is σ = 25617556800. Its totient is φ = 4617338880.

The previous prime is 11171070511. The next prime is 11171070517. The reversal of 11171070512 is 21507017111.

It is not an unprimeable number, because it can be changed into a prime (11171070511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4575212 + ... + 4577652.

It is an arithmetic number, because the mean of its divisors is an integer number (320219460).

Almost surely, 2^11171070512 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 11171070512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12808778400).

11171070512 is an abundant number, since it is smaller than the sum of its proper divisors (14446486288).

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

11171070512 is a wasteful number, since it uses less digits than its factorization.

11171070512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 26.

Adding to 11171070512 its reverse (21507017111), we get a palindrome (32678087623).

The spelling of 11171070512 in words is "eleven billion, one hundred seventy-one million, seventy thousand, five hundred twelve".