112152353521 has 4 divisors (see below), whose sum is σ = 120779457652. Its totient is φ = 103525249392.

The previous prime is 112152353513. The next prime is 112152353543. The reversal of 112152353521 is 125353251211.

It is a happy number.

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 50169280225 + 61983073296 = 223985^2 + 248964^2 .

It is a cyclic number.

It is not a de Polignac number, because 112152353521 - 2³ = 112152353513 is a prime.

It is a super-2 number, since 2×112152353521² (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 (112152353501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4313552046 + ... + 4313552071.

It is an arithmetic number, because the mean of its divisors is an integer number (30194864413).

Almost surely, 2^112152353521 is an apocalyptic number.

It is an amenable number.

112152353521 is a deficient number, since it is larger than the sum of its proper divisors (8627104131).

112152353521 is an equidigital number, since it uses as much as digits as its factorization.

112152353521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8627104130.

The product of its digits is 9000, while the sum is 31.

The spelling of 112152353521 in words is "one hundred twelve billion, one hundred fifty-two million, three hundred fifty-three thousand, five hundred twenty-one".