243525121525342 has 16 divisors (see below), whose sum is σ = 377211944173680. Its totient is φ = 117839764369152.

The previous prime is 243525121525307. The next prime is 243525121525349.

243525121525342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243525121525292 and 243525121525301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243525121525349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12989382643 + ... + 12989401390.

It is an arithmetic number, because the mean of its divisors is an integer number (23575746510855).

Almost surely, 2^{243525121525342} is an apocalyptic number.

243525121525342 is a deficient number, since it is larger than the sum of its proper divisors (133686822648338).

243525121525342 is a wasteful number, since it uses less digits than its factorization.

243525121525342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25978784187.

The product of its digits is 2880000, while the sum is 46.

The spelling of 243525121525342 in words is "two hundred forty-three trillion, five hundred twenty-five billion, one hundred twenty-one million, five hundred twenty-five thousand, three hundred forty-two".