11012131032 has 96 divisors (see below), whose sum is σ = 32153526720. Its totient is φ = 3133704000.

The previous prime is 11012131007. The next prime is 11012131033. The reversal of 11012131032 is 23013121011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012131033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276523 + ... + 313829.

It is an arithmetic number, because the mean of its divisors is an integer number (334932570).

Almost surely, 2^11012131032 is an apocalyptic number.

11012131032 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 11012131032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16076763360).

11012131032 is an abundant number, since it is smaller than the sum of its proper divisors (21141395688).

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

11012131032 is a wasteful number, since it uses less digits than its factorization.

11012131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37581 (or 37570 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11012131032 its reverse (23013121011), we get a palindrome (34025252043).

The spelling of 11012131032 in words is "eleven billion, twelve million, one hundred thirty-one thousand, thirty-two".