11012134040 has 64 divisors (see below), whose sum is σ = 25801848000. Its totient is φ = 4224729600.

The previous prime is 11012134031. The next prime is 11012134079. The reversal of 11012134040 is 4043121011.

It is a happy number.

It is a super-2 number, since 2×11012134040² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143726 + ... + 206594.

It is an arithmetic number, because the mean of its divisors is an integer number (403153875).

Almost surely, 2^11012134040 is an apocalyptic number.

11012134040 is a gapful number since it is divisible by the number (10) 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 11012134040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12900924000).

11012134040 is an abundant number, since it is smaller than the sum of its proper divisors (14789713960).

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

11012134040 is a wasteful number, since it uses less digits than its factorization.

11012134040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63060 (or 63056 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11012134040 its reverse (4043121011), we get a palindrome (15055255051).

The spelling of 11012134040 in words is "eleven billion, twelve million, one hundred thirty-four thousand, forty".