243112355425 has 24 divisors (see below), whose sum is σ = 302051685312. Its totient is φ = 194108040000.

The previous prime is 243112355359. The next prime is 243112355461. The reversal of 243112355425 is 524553211342.

It is a happy number.

It is not a de Polignac number, because 243112355425 - 2²³ = 243103966817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62159220 + ... + 62163130.

It is an arithmetic number, because the mean of its divisors is an integer number (12585486888).

Almost surely, 2^243112355425 is an apocalyptic number.

243112355425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243112355425 is a deficient number, since it is larger than the sum of its proper divisors (58939329887).

243112355425 is a wasteful number, since it uses less digits than its factorization.

243112355425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8169 (or 8164 counting only the distinct ones).

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

Adding to 243112355425 its reverse (524553211342), we get a palindrome (767665566767).

The spelling of 243112355425 in words is "two hundred forty-three billion, one hundred twelve million, three hundred fifty-five thousand, four hundred twenty-five".