11002012032 has 128 divisors (see below), whose sum is σ = 32133427200. Its totient is φ = 3307530240.

The previous prime is 11002012031. The next prime is 11002012051. The reversal of 11002012032 is 23021020011.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11002011999 and 11002012017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002012031) 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, 526194 + ... + 546702.

It is an arithmetic number, because the mean of its divisors is an integer number (251042400).

Almost surely, 2^11002012032 is an apocalyptic number.

11002012032 is a gapful number since it is divisible by the number (12) 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 11002012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16066713600).

11002012032 is an abundant number, since it is smaller than the sum of its proper divisors (21131415168).

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

11002012032 is a wasteful number, since it uses less digits than its factorization.

11002012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20664 (or 20652 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11002012032 its reverse (23021020011), we get a palindrome (34023032043).

The spelling of 11002012032 in words is "eleven billion, two million, twelve thousand, thirty-two".