11001001332 has 48 divisors (see below), whose sum is σ = 25836572160. Its totient is φ = 3643101792.

The previous prime is 11001001331. The next prime is 11001001367. The reversal of 11001001332 is 23310010011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001001331) 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, 3450243 + ... + 3453429.

It is an arithmetic number, because the mean of its divisors is an integer number (538261920).

Almost surely, 2^11001001332 is an apocalyptic number.

11001001332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001001332 is an abundant number, since it is smaller than the sum of its proper divisors (14835570828).

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

11001001332 is a wasteful number, since it uses less digits than its factorization.

11001001332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980 (or 4978 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11001001332 its reverse (23310010011), we get a palindrome (34311011343).

The spelling of 11001001332 in words is "eleven billion, one million, one thousand, three hundred thirty-two".