1111112453 has 4 divisors (see below), whose sum is σ = 1212122688. Its totient is φ = 1010102220.

The previous prime is 1111112437. The next prime is 1111112461. The reversal of 1111112453 is 3542111111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111112453 - 2⁴ = 1111112437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112473) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50505101 + ... + 50505122.

It is an arithmetic number, because the mean of its divisors is an integer number (303030672).

Almost surely, 2^1111112453 is an apocalyptic number.

It is an amenable number.

1111112453 is a deficient number, since it is larger than the sum of its proper divisors (101010235).

1111112453 is a wasteful number, since it uses less digits than its factorization.

1111112453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010234.

The product of its digits is 120, while the sum is 20.

The square root of 1111112453 is about 33333.3534616606. The cubic root of 1111112453 is about 1035.7445856072.

Adding to 1111112453 its reverse (3542111111), we get a palindrome (4653223564).

The spelling of 1111112453 in words is "one billion, one hundred eleven million, one hundred twelve thousand, four hundred fifty-three".