10511744641 has 4 divisors (see below), whose sum is σ = 10512854784. Its totient is φ = 10510634500.

The previous prime is 10511744609. The next prime is 10511744669. The reversal of 10511744641 is 14644711501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10511744641 - 2⁵ = 10511744609 is a prime.

It is a super-2 number, since 2×10511744641² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10511744597 and 10511744606.

It is not an unprimeable number, because it can be changed into a prime (10511744681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540745 + ... + 559846.

It is an arithmetic number, because the mean of its divisors is an integer number (2628213696).

Almost surely, 2^10511744641 is an apocalyptic number.

It is an amenable number.

10511744641 is a deficient number, since it is larger than the sum of its proper divisors (1110143).

10511744641 is an equidigital number, since it uses as much as digits as its factorization.

10511744641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110142.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 10511744641 in words is "ten billion, five hundred eleven million, seven hundred forty-four thousand, six hundred forty-one".