10511342605 has 4 divisors (see below), whose sum is σ = 12613611132. Its totient is φ = 8409074080.

The previous prime is 10511342549. The next prime is 10511342623. The reversal of 10511342605 is 50624311501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1262096676 + 9249245929 = 35526^2 + 96173^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10511342605 is a prime.

It is a super-2 number, since 2×10511342605² (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, 1051134256 + ... + 1051134265.

It is an arithmetic number, because the mean of its divisors is an integer number (3153402783).

Almost surely, 2^10511342605 is an apocalyptic number.

It is an amenable number.

10511342605 is a deficient number, since it is larger than the sum of its proper divisors (2102268527).

10511342605 is an equidigital number, since it uses as much as digits as its factorization.

10511342605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102268526.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 10511342605 in words is "ten billion, five hundred eleven million, three hundred forty-two thousand, six hundred five".