11204042142 has 16 divisors (see below), whose sum is σ = 22775430672. Its totient is φ = 3673456320.

The previous prime is 11204042123. The next prime is 11204042167. The reversal of 11204042142 is 24124040211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15305703 + ... + 15306434.

It is an arithmetic number, because the mean of its divisors is an integer number (1423464417).

Almost surely, 2^11204042142 is an apocalyptic number.

11204042142 is an abundant number, since it is smaller than the sum of its proper divisors (11571388530).

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

11204042142 is a wasteful number, since it uses less digits than its factorization.

11204042142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30612203.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11204042142 its reverse (24124040211), we get a palindrome (35328082353).

The spelling of 11204042142 in words is "eleven billion, two hundred four million, forty-two thousand, one hundred forty-two".