112527242138 has 4 divisors (see below), whose sum is σ = 168790863210. Its totient is φ = 56263621068.

The previous prime is 112527242137. The next prime is 112527242143. The reversal of 112527242138 is 831242725211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831242725211 = 1013 ⋅820575247.

It can be written as a sum of positive squares in only one way, i.e., 94271719369 + 18255522769 = 307037^2 + 135113^2 .

It is a super-2 number, since 2×112527242138² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112527242131) by changing a digit.

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 as a sum of consecutive naturals, namely, 28131810533 + ... + 28131810536.

Almost surely, 2^112527242138 is an apocalyptic number.

112527242138 is a deficient number, since it is larger than the sum of its proper divisors (56263621072).

112527242138 is an equidigital number, since it uses as much as digits as its factorization.

112527242138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56263621071.

The product of its digits is 53760, while the sum is 38.

Adding to 112527242138 its reverse (831242725211), we get a palindrome (943769967349).

The spelling of 112527242138 in words is "one hundred twelve billion, five hundred twenty-seven million, two hundred forty-two thousand, one hundred thirty-eight".