11211303234140 has 48 divisors (see below), whose sum is σ = 24095120142240. Its totient is φ = 4380710062080.

The previous prime is 11211303234137. The next prime is 11211303234179. The reversal of 11211303234140 is 4143230311211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37794941 + ... + 38090420.

It is an arithmetic number, because the mean of its divisors is an integer number (501981669630).

Almost surely, 2^{11211303234140} is an apocalyptic number.

11211303234140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211303234140 is an abundant number, since it is smaller than the sum of its proper divisors (12883816908100).

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

11211303234140 is a wasteful number, since it uses less digits than its factorization.

11211303234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75885542 (or 75885540 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 11211303234140 its reverse (4143230311211), we get a palindrome (15354533545351).

The spelling of 11211303234140 in words is "eleven trillion, two hundred eleven billion, three hundred three million, two hundred thirty-four thousand, one hundred forty".