10243440121335 has 16 divisors (see below), whose sum is σ = 17353592676576. Its totient is φ = 5141805237248.

The previous prime is 10243440121279. The next prime is 10243440121339. The reversal of 10243440121335 is 53312104434201.

It is a cyclic number.

It is not a de Polignac number, because 10243440121335 - 2¹⁹ = 10243439597047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10243440121296 and 10243440121305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243440121339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20085176454 + ... + 20085176963.

It is an arithmetic number, because the mean of its divisors is an integer number (1084599542286).

Almost surely, 2^{10243440121335} is an apocalyptic number.

10243440121335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10243440121335 is a deficient number, since it is larger than the sum of its proper divisors (7110152555241).

10243440121335 is a wasteful number, since it uses less digits than its factorization.

10243440121335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40170353442.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 10243440121335 its reverse (53312104434201), we get a palindrome (63555544555536).

The spelling of 10243440121335 in words is "ten trillion, two hundred forty-three billion, four hundred forty million, one hundred twenty-one thousand, three hundred thirty-five".