112521344445 has 12 divisors (see below), whose sum is σ = 195036997116. Its totient is φ = 60011383680.

The previous prime is 112521344443. The next prime is 112521344447. The reversal of 112521344445 is 544443125211.

112521344445 is a `hidden beast` number, since 112 + 52 + 13 + 44 + 445 = 666.

It is an interprime number because it is at equal distance from previous prime (112521344443) and next prime (112521344447).

It can be written as a sum of positive squares in 2 ways, for example, as 81934482564 + 30586861881 = 286242^2 + 174891^2 .

It is not a de Polignac number, because 112521344445 - 2¹ = 112521344443 is a prime.

It is a super-2 number, since 2×112521344445² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112521344443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1250237116 + ... + 1250237205.

It is an arithmetic number, because the mean of its divisors is an integer number (16253083093).

Almost surely, 2^112521344445 is an apocalyptic number.

112521344445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112521344445 is a deficient number, since it is larger than the sum of its proper divisors (82515652671).

112521344445 is a wasteful number, since it uses less digits than its factorization.

112521344445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500474332 (or 2500474329 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 112521344445 its reverse (544443125211), we get a palindrome (656964469656).

The spelling of 112521344445 in words is "one hundred twelve billion, five hundred twenty-one million, three hundred forty-four thousand, four hundred forty-five".