11112023142 has 72 divisors (see below), whose sum is σ = 26963353872. Its totient is φ = 3303711840.

The previous prime is 11112023077. The next prime is 11112023161. The reversal of 11112023142 is 24132021111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67303 + ... + 163565.

It is an arithmetic number, because the mean of its divisors is an integer number (374491026).

Almost surely, 2^11112023142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112023142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13481676936).

11112023142 is an abundant number, since it is smaller than the sum of its proper divisors (15851330730).

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

11112023142 is a wasteful number, since it uses less digits than its factorization.

11112023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96346 (or 96332 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11112023142 its reverse (24132021111), we get a palindrome (35244044253).

The spelling of 11112023142 in words is "eleven billion, one hundred twelve million, twenty-three thousand, one hundred forty-two".