253003113443 has 8 divisors (see below), whose sum is σ = 258200730720. Its totient is φ = 247850890560.

The previous prime is 253003113437. The next prime is 253003113463. The reversal of 253003113443 is 344311300352.

253003113443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 253003113443 - 2⁴ = 253003113427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253003113463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11337338 + ... + 11359631.

It is an arithmetic number, because the mean of its divisors is an integer number (32275091340).

Almost surely, 2^253003113443 is an apocalyptic number.

253003113443 is a deficient number, since it is larger than the sum of its proper divisors (5197617277).

253003113443 is a wasteful number, since it uses less digits than its factorization.

253003113443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22697197.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 253003113443 its reverse (344311300352), we get a palindrome (597314413795).

The spelling of 253003113443 in words is "two hundred fifty-three billion, three million, one hundred thirteen thousand, four hundred forty-three".