11211535443140 has 48 divisors (see below), whose sum is σ = 24190117257600. Its totient is φ = 4363154199552.

The previous prime is 11211535443007. The next prime is 11211535443151. The reversal of 11211535443140 is 4134453511211.

It is a self number, because there is not a number n which added to its sum of digits gives 11211535443140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48861320 + ... + 49090239.

It is an arithmetic number, because the mean of its divisors is an integer number (503960776200).

Almost surely, 2^{11211535443140} is an apocalyptic number.

11211535443140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211535443140 is an abundant number, since it is smaller than the sum of its proper divisors (12978581814460).

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

11211535443140 is a wasteful number, since it uses less digits than its factorization.

11211535443140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97951724 (or 97951722 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 11211535443140 its reverse (4134453511211), we get a palindrome (15345988954351).

The spelling of 11211535443140 in words is "eleven trillion, two hundred eleven billion, five hundred thirty-five million, four hundred forty-three thousand, one hundred forty".