11011311132 has 12 divisors (see below), whose sum is σ = 25693059336. Its totient is φ = 3670437040.

The previous prime is 11011311121. The next prime is 11011311137. The reversal of 11011311132 is 23111311011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011311137) 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 3 ways as a sum of consecutive naturals, for example, 458804619 + ... + 458804642.

It is an arithmetic number, because the mean of its divisors is an integer number (2141088278).

Almost surely, 2^11011311132 is an apocalyptic number.

11011311132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011311132 is an abundant number, since it is smaller than the sum of its proper divisors (14681748204).

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

11011311132 is a wasteful number, since it uses less digits than its factorization.

11011311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917609268 (or 917609266 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11011311132 its reverse (23111311011), we get a palindrome (34122622143).

The spelling of 11011311132 in words is "eleven billion, eleven million, three hundred eleven thousand, one hundred thirty-two".