243234051105025 has 12 divisors (see below), whose sum is σ = 302592667104112. Its totient is φ = 193953406217040.

The previous prime is 243234051104983. The next prime is 243234051105029. The reversal of 243234051105025 is 520501150432342.

It is a happy number.

It is not a de Polignac number, because 243234051105025 - 2¹³ = 243234051096833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243234051105029) 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, 15845858847 + ... + 15845874196.

Almost surely, 2^{243234051105025} is an apocalyptic number.

243234051105025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243234051105025 is a deficient number, since it is larger than the sum of its proper divisors (59358615999087).

243234051105025 is a wasteful number, since it uses less digits than its factorization.

243234051105025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31691733360 (or 31691733355 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 243234051105025 in words is "two hundred forty-three trillion, two hundred thirty-four billion, fifty-one million, one hundred five thousand, twenty-five".