112521253441 has 4 divisors (see below), whose sum is σ = 112586636484. Its totient is φ = 112455870400.

The previous prime is 112521253433. The next prime is 112521253511. The reversal of 112521253441 is 144352125211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57168810000 + 55352443441 = 239100^2 + 235271^2 .

It is a cyclic number.

It is not a de Polignac number, because 112521253441 - 2³ = 112521253433 is a prime.

It is a super-2 number, since 2×112521253441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112521253421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32688940 + ... + 32692381.

It is an arithmetic number, because the mean of its divisors is an integer number (28146659121).

Almost surely, 2^112521253441 is an apocalyptic number.

It is an amenable number.

112521253441 is a deficient number, since it is larger than the sum of its proper divisors (65383043).

112521253441 is an equidigital number, since it uses as much as digits as its factorization.

112521253441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65383042.

The product of its digits is 9600, while the sum is 31.

Adding to 112521253441 its reverse (144352125211), we get a palindrome (256873378652).

The spelling of 112521253441 in words is "one hundred twelve billion, five hundred twenty-one million, two hundred fifty-three thousand, four hundred forty-one".