243243201125 has 16 divisors (see below), whose sum is σ = 313360020480. Its totient is φ = 188317314000.

The previous prime is 243243201107. The next prime is 243243201161. The reversal of 243243201125 is 521102342342.

It is not a de Polignac number, because 243243201125 - 2¹⁴ = 243243184741 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31382345 + ... + 31390094.

It is an arithmetic number, because the mean of its divisors is an integer number (19585001280).

Almost surely, 2^243243201125 is an apocalyptic number.

243243201125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243243201125 is a deficient number, since it is larger than the sum of its proper divisors (70116819355).

243243201125 is an equidigital number, since it uses as much as digits as its factorization.

243243201125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62772485 (or 62772475 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 243243201125 its reverse (521102342342), we get a palindrome (764345543467).

The spelling of 243243201125 in words is "two hundred forty-three billion, two hundred forty-three million, two hundred one thousand, one hundred twenty-five".