10505414125 has 8 divisors (see below), whose sum is σ = 13110756984. Its totient is φ = 8404331200.

The previous prime is 10505414123. The next prime is 10505414147. The reversal of 10505414125 is 52141450501.

It can be written as a sum of positive squares in 4 ways, for example, as 599076 + 10504815049 = 774^2 + 102493^2 .

It is not a de Polignac number, because 10505414125 - 2¹ = 10505414123 is a prime.

It is a super-2 number, since 2×10505414125² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10505414093 and 10505414102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505414123) 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, 42021532 + ... + 42021781.

It is an arithmetic number, because the mean of its divisors is an integer number (1638844623).

Almost surely, 2^10505414125 is an apocalyptic number.

It is an amenable number.

10505414125 is a deficient number, since it is larger than the sum of its proper divisors (2605342859).

10505414125 is an frugal number, since it uses more digits than its factorization.

10505414125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84043328 (or 84043318 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 10505414125 its reverse (52141450501), we get a palindrome (62646864626).

The spelling of 10505414125 in words is "ten billion, five hundred five million, four hundred fourteen thousand, one hundred twenty-five".