112453231521 has 8 divisors (see below), whose sum is σ = 149970620800. Its totient is φ = 74952331632.

The previous prime is 112453231519. The next prime is 112453231543. The reversal of 112453231521 is 125132354211.

It is a happy number.

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

It is not a de Polignac number, because 112453231521 - 2¹ = 112453231519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112453231591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4106425 + ... + 4133718.

It is an arithmetic number, because the mean of its divisors is an integer number (18746327600).

Almost surely, 2^112453231521 is an apocalyptic number.

It is an amenable number.

112453231521 is a deficient number, since it is larger than the sum of its proper divisors (37517389279).

112453231521 is an equidigital number, since it uses as much as digits as its factorization.

112453231521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244695.

The product of its digits is 7200, while the sum is 30.

Adding to 112453231521 its reverse (125132354211), we get a palindrome (237585585732).

The spelling of 112453231521 in words is "one hundred twelve billion, four hundred fifty-three million, two hundred thirty-one thousand, five hundred twenty-one".