11112126642 has 16 divisors (see below), whose sum is σ = 24693614880. Its totient is φ = 3704042196.

The previous prime is 11112126637. The next prime is 11112126659. The reversal of 11112126642 is 24662121111.

11112126642 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 2 + 12 + 6 + 642 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102890008 + ... + 102890115.

It is an arithmetic number, because the mean of its divisors is an integer number (1543350930).

Almost surely, 2^11112126642 is an apocalyptic number.

11112126642 is an abundant number, since it is smaller than the sum of its proper divisors (13581488238).

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

11112126642 is a wasteful number, since it uses less digits than its factorization.

11112126642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205780134 (or 205780128 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 11112126642 its reverse (24662121111), we get a palindrome (35774247753).

The spelling of 11112126642 in words is "eleven billion, one hundred twelve million, one hundred twenty-six thousand, six hundred forty-two".