10505044135 has 4 divisors (see below), whose sum is σ = 12606052968. Its totient is φ = 8404035304.

The previous prime is 10505044117. The next prime is 10505044169. The reversal of 10505044135 is 53144050501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10505044135 - 2¹¹ = 10505042087 is a prime.

It is a super-2 number, since 2×10505044135² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050504409 + ... + 1050504418.

It is an arithmetic number, because the mean of its divisors is an integer number (3151513242).

Almost surely, 2^10505044135 is an apocalyptic number.

10505044135 is a deficient number, since it is larger than the sum of its proper divisors (2101008833).

10505044135 is an equidigital number, since it uses as much as digits as its factorization.

10505044135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101008832.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 10505044135 its reverse (53144050501), we get a palindrome (63649094636).

The spelling of 10505044135 in words is "ten billion, five hundred five million, forty-four thousand, one hundred thirty-five".