11433224142 has 64 divisors (see below), whose sum is σ = 26290667520. Its totient is φ = 3679149600.

The previous prime is 11433224137. The next prime is 11433224171. The reversal of 11433224142 is 24142233411.

11433224142 is a `hidden beast` number, since 1 + 1 + 433 + 224 + 1 + 4 + 2 = 666.

It is a super-2 number, since 2×11433224142² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696643 + ... + 712865.

It is an arithmetic number, because the mean of its divisors is an integer number (410791680).

Almost surely, 2^11433224142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11433224142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13145333760).

11433224142 is an abundant number, since it is smaller than the sum of its proper divisors (14857443378).

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

11433224142 is a wasteful number, since it uses less digits than its factorization.

11433224142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16686 (or 16680 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 11433224142 its reverse (24142233411), we get a palindrome (35575457553).

The spelling of 11433224142 in words is "eleven billion, four hundred thirty-three million, two hundred twenty-four thousand, one hundred forty-two".