11142142241 has 32 divisors (see below), whose sum is σ = 12566400000. Its totient is φ = 9827915328.

The previous prime is 11142142217. The next prime is 11142142273. The reversal of 11142142241 is 14224124111.

It is a cyclic number.

It is not a de Polignac number, because 11142142241 - 2²² = 11137947937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142142211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6557210 + ... + 6558908.

It is an arithmetic number, because the mean of its divisors is an integer number (392700000).

Almost surely, 2^11142142241 is an apocalyptic number.

It is an amenable number.

11142142241 is a deficient number, since it is larger than the sum of its proper divisors (1424257759).

11142142241 is a wasteful number, since it uses less digits than its factorization.

11142142241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133.

The product of its digits is 512, while the sum is 23.

Adding to 11142142241 its reverse (14224124111), we get a palindrome (25366266352).

The spelling of 11142142241 in words is "eleven billion, one hundred forty-two million, one hundred forty-two thousand, two hundred forty-one".