10243301426505 has 256 divisors, whose sum is σ = 21559720089600. Its totient is φ = 4518167040000.

The previous prime is 10243301426503. The next prime is 10243301426513. The reversal of 10243301426505 is 50562410334201.

10243301426505 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 3 + 3 + 0 + 142 + 6 + 505 = 666.

It is not a de Polignac number, because 10243301426505 - 2¹ = 10243301426503 is a prime.

It is a super-2 number, since 2×10243301426505² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10243301426505.

It is not an unprimeable number, because it can be changed into a prime (10243301426503) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 634605735 + ... + 634621875.

It is an arithmetic number, because the mean of its divisors is an integer number (84217656600).

Almost surely, 2^{10243301426505} is an apocalyptic number.

10243301426505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10243301426505 is an abundant number, since it is smaller than the sum of its proper divisors (11316418663095).

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

10243301426505 is a wasteful number, since it uses less digits than its factorization.

10243301426505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433 (or 16427 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 10243301426505 in words is "ten trillion, two hundred forty-three billion, three hundred one million, four hundred twenty-six thousand, five hundred five".