11065012140 has 192 divisors, whose sum is σ = 40139043840. Its totient is φ = 2211701760.

The previous prime is 11065012129. The next prime is 11065012163. The reversal of 11065012140 is 4121056011.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50410 + ... + 157070.

It is an arithmetic number, because the mean of its divisors is an integer number (209057520).

Almost surely, 2^11065012140 is an apocalyptic number.

11065012140 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 11065012140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20069521920).

11065012140 is an abundant number, since it is smaller than the sum of its proper divisors (29074031700).

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

11065012140 is a wasteful number, since it uses less digits than its factorization.

11065012140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106712 (or 106710 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11065012140 its reverse (4121056011), we get a palindrome (15186068151).

The spelling of 11065012140 in words is "eleven billion, sixty-five million, twelve thousand, one hundred forty".