11142112040 has 32 divisors (see below), whose sum is σ = 25934229000. Its totient is φ = 4303160064.

The previous prime is 11142112027. The next prime is 11142112049. The reversal of 11142112040 is 4021124111.

It can be written as a sum of positive squares in 4 ways, for example, as 11005268836 + 136843204 = 104906^2 + 11698^2 .

It is not an unprimeable number, because it can be changed into a prime (11142112049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4801475 + ... + 4803794.

Almost surely, 2^11142112040 is an apocalyptic number.

11142112040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11142112040 is an abundant number, since it is smaller than the sum of its proper divisors (14792116960).

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

11142112040 is a wasteful number, since it uses less digits than its factorization.

11142112040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605309 (or 9605305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11142112040 its reverse (4021124111), we get a palindrome (15163236151).

The spelling of 11142112040 in words is "eleven billion, one hundred forty-two million, one hundred twelve thousand, forty".