11012243140 has 48 divisors (see below), whose sum is σ = 24141503232. Its totient is φ = 4211577216.

The previous prime is 11012243131. The next prime is 11012243159. The reversal of 11012243140 is 4134221011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1655902 + ... + 1662538.

It is an arithmetic number, because the mean of its divisors is an integer number (502947984).

Almost surely, 2^11012243140 is an apocalyptic number.

11012243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012243140 is an abundant number, since it is smaller than the sum of its proper divisors (13129260092).

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

11012243140 is a wasteful number, since it uses less digits than its factorization.

11012243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10276 (or 10274 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11012243140 its reverse (4134221011), we get a palindrome (15146464151).

The spelling of 11012243140 in words is "eleven billion, twelve million, two hundred forty-three thousand, one hundred forty".