11123134142 has 8 divisors (see below), whose sum is σ = 16856708736. Its totient is φ = 5504231232.

The previous prime is 11123134133. The next prime is 11123134171. The reversal of 11123134142 is 24143132111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11123134142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28667678 + ... + 28668065.

It is an arithmetic number, because the mean of its divisors is an integer number (2107088592).

Almost surely, 2^11123134142 is an apocalyptic number.

11123134142 is a deficient number, since it is larger than the sum of its proper divisors (5733574594).

11123134142 is an equidigital number, since it uses as much as digits as its factorization.

11123134142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57335842.

The product of its digits is 576, while the sum is 23.

Adding to 11123134142 its reverse (24143132111), we get a palindrome (35266266253).

The spelling of 11123134142 in words is "eleven billion, one hundred twenty-three million, one hundred thirty-four thousand, one hundred forty-two".