11032665140 has 96 divisors (see below), whose sum is σ = 26824089600. Its totient is φ = 3733513344.

The previous prime is 11032665109. The next prime is 11032665157. The reversal of 11032665140 is 4156623011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4597661 + ... + 4600059.

It is an arithmetic number, because the mean of its divisors is an integer number (279417600).

Almost surely, 2^11032665140 is an apocalyptic number.

11032665140 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 11032665140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13412044800).

11032665140 is an abundant number, since it is smaller than the sum of its proper divisors (15791424460).

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

11032665140 is a wasteful number, since it uses less digits than its factorization.

11032665140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 11032665140 in words is "eleven billion, thirty-two million, six hundred sixty-five thousand, one hundred forty".