113543042225 has 12 divisors (see below), whose sum is σ = 140818279836. Its totient is φ = 90818364480.

The previous prime is 113543042183. The next prime is 113543042243. The reversal of 113543042225 is 522240345311.

It can be written as a sum of positive squares in 6 ways, for example, as 32672656 + 113510369569 = 5716^2 + 336913^2 .

It is not a de Polignac number, because 113543042225 - 2¹⁸ = 113542780081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113543042191 and 113543042200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256562 + ... + 541211.

It is an arithmetic number, because the mean of its divisors is an integer number (11734856653).

Almost surely, 2^113543042225 is an apocalyptic number.

It is an amenable number.

113543042225 is a deficient number, since it is larger than the sum of its proper divisors (27275237611).

113543042225 is an equidigital number, since it uses as much as digits as its factorization.

113543042225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803476 (or 803471 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 113543042225 its reverse (522240345311), we get a palindrome (635783387536).

The spelling of 113543042225 in words is "one hundred thirteen billion, five hundred forty-three million, forty-two thousand, two hundred twenty-five".