10243555105 has 24 divisors (see below), whose sum is σ = 15140300328. Its totient is φ = 6610963968.

The previous prime is 10243555093. The next prime is 10243555109. The reversal of 10243555105 is 50155534201.

It can be written as a sum of positive squares in 4 ways, for example, as 4527136656 + 5716418449 = 67284^2 + 75607^2 .

It is not a de Polignac number, because 10243555105 - 2¹¹ = 10243553057 is a prime.

It is a super-2 number, since 2×10243555105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10243555109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1225554 + ... + 1233883.

It is an arithmetic number, because the mean of its divisors is an integer number (630845847).

Almost surely, 2^10243555105 is an apocalyptic number.

It is an amenable number.

10243555105 is a deficient number, since it is larger than the sum of its proper divisors (4896745223).

10243555105 is a wasteful number, since it uses less digits than its factorization.

10243555105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459473 (or 2459466 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 10243555105 in words is "ten billion, two hundred forty-three million, five hundred fifty-five thousand, one hundred five".