11112453142 has 24 divisors (see below), whose sum is σ = 19393965000. Its totient is φ = 4761529920.

The previous prime is 11112453139. The next prime is 11112453217. The reversal of 11112453142 is 24135421111.

It is a happy number.

It is a super-2 number, since 2×11112453142² (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 11 ways as a sum of consecutive naturals, for example, 727342 + ... + 742462.

It is an arithmetic number, because the mean of its divisors is an integer number (808081875).

Almost surely, 2^11112453142 is an apocalyptic number.

11112453142 is a deficient number, since it is larger than the sum of its proper divisors (8281511858).

11112453142 is a wasteful number, since it uses less digits than its factorization.

11112453142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22636 (or 22629 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

Adding to 11112453142 its reverse (24135421111), we get a palindrome (35247874253).

The spelling of 11112453142 in words is "eleven billion, one hundred twelve million, four hundred fifty-three thousand, one hundred forty-two".