1101011140 has 12 divisors (see below), whose sum is σ = 2312123436. Its totient is φ = 440404448.

The previous prime is 1101011123. The next prime is 1101011141. The reversal of 1101011140 is 411101011.

It can be written as a sum of positive squares in 2 ways, for example, as 366492736 + 734518404 = 19144^2 + 27102^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1101011141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27525259 + ... + 27525298.

It is an arithmetic number, because the mean of its divisors is an integer number (192676953).

Almost surely, 2^1101011140 is an apocalyptic number.

1101011140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101011140 is an abundant number, since it is smaller than the sum of its proper divisors (1211112296).

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

1101011140 is a wasteful number, since it uses less digits than its factorization.

1101011140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55050566 (or 55050564 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1101011140 is about 33181.4879111832. The cubic root of 1101011140 is about 1032.5963154742.

Adding to 1101011140 its reverse (411101011), we get a palindrome (1512112151).

The spelling of 1101011140 in words is "one billion, one hundred one million, eleven thousand, one hundred forty".