11140100442 has 48 divisors (see below), whose sum is σ = 25699602240. Its totient is φ = 3475391616.

The previous prime is 11140100441. The next prime is 11140100453. The reversal of 11140100442 is 24400104111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11140100441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46918 + ... + 156465.

It is an arithmetic number, because the mean of its divisors is an integer number (535408380).

Almost surely, 2^11140100442 is an apocalyptic number.

11140100442 is an abundant number, since it is smaller than the sum of its proper divisors (14559501798).

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

11140100442 is a wasteful number, since it uses less digits than its factorization.

11140100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203587 (or 203584 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11140100442 its reverse (24400104111), we get a palindrome (35540204553).

The spelling of 11140100442 in words is "eleven billion, one hundred forty million, one hundred thousand, four hundred forty-two".