112731420025 has 81 divisors (see below), whose sum is σ = 166656034503. Its totient is φ = 75424003200.

The previous prime is 112731420023. The next prime is 112731420031. The reversal of 112731420025 is 520024137211.

The square root of 112731420025 is 335755.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 108623635561 + 4107784464 = 329581^2 + 64092^2 .

It is not a de Polignac number, because 112731420025 - 2¹ = 112731420023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112731419975 and 112731420002.

It is not an unprimeable number, because it can be changed into a prime (112731420023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 622825435 + ... + 622825615.

Almost surely, 2^112731420025 is an apocalyptic number.

112731420025 is the 335755-th square number.

112731420025 is the 167878-th centered octagonal number.

It is an amenable number.

112731420025 is a deficient number, since it is larger than the sum of its proper divisors (53924614478).

112731420025 is an frugal number, since it uses more digits than its factorization.

112731420025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 112731420025 its reverse (520024137211), we get a palindrome (632755557236).

The spelling of 112731420025 in words is "one hundred twelve billion, seven hundred thirty-one million, four hundred twenty thousand, twenty-five".