11433320142 has 32 divisors (see below), whose sum is σ = 22986536352. Its totient is φ = 3791176704.

The previous prime is 11433320141. The next prime is 11433320153. The reversal of 11433320142 is 24102333411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11433320141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917868 + ... + 930240.

It is an arithmetic number, because the mean of its divisors is an integer number (718329261).

Almost surely, 2^11433320142 is an apocalyptic number.

11433320142 is an abundant number, since it is smaller than the sum of its proper divisors (11553216210).

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

11433320142 is a wasteful number, since it uses less digits than its factorization.

11433320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11433320142 its reverse (24102333411), we get a palindrome (35535653553).

The spelling of 11433320142 in words is "eleven billion, four hundred thirty-three million, three hundred twenty thousand, one hundred forty-two".