243051140051 has 8 divisors (see below), whose sum is σ = 247648183920. Its totient is φ = 238454510112.

The previous prime is 243051140039. The next prime is 243051140053. The reversal of 243051140051 is 150041150342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243051140051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243051140051.

It is not an unprimeable number, because it can be changed into a prime (243051140053) 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, 1247045 + ... + 1428713.

It is an arithmetic number, because the mean of its divisors is an integer number (30956022990).

Almost surely, 2^243051140051 is an apocalyptic number.

243051140051 is a deficient number, since it is larger than the sum of its proper divisors (4597043869).

243051140051 is a wasteful number, since it uses less digits than its factorization.

243051140051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206965.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 243051140051 its reverse (150041150342), we get a palindrome (393092290393).

The spelling of 243051140051 in words is "two hundred forty-three billion, fifty-one million, one hundred forty thousand, fifty-one".