243125112215010 has 64 divisors (see below), whose sum is σ = 591760764122112. Its totient is φ = 63921076322496.

The previous prime is 243125112214993. The next prime is 243125112215017. The reversal of 243125112215010 is 10512211521342.

It is a super-2 number, since 2×243125112215010² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243125112215017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172605324 + ... + 174008183.

It is an arithmetic number, because the mean of its divisors is an integer number (9246261939408).

Almost surely, 2^{243125112215010} is an apocalyptic number.

243125112215010 is an abundant number, since it is smaller than the sum of its proper divisors (348635651907102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243125112215010 is a wasteful number, since it uses less digits than its factorization.

243125112215010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346613847.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 243125112215010 its reverse (10512211521342), we get a palindrome (253637323736352).

The spelling of 243125112215010 in words is "two hundred forty-three trillion, one hundred twenty-five billion, one hundred twelve million, two hundred fifteen thousand, ten".