10511817047 has 4 divisors (see below), whose sum is σ = 10525487280. Its totient is φ = 10498146816.

The previous prime is 10511816927. The next prime is 10511817053. The reversal of 10511817047 is 74071811501.

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 10511817047 - 2¹⁶ = 10511751511 is a prime.

It is a super-2 number, since 2×10511817047² (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 = 10511816998 and 10511817016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10511217047) 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, 6833963 + ... + 6835500.

It is an arithmetic number, because the mean of its divisors is an integer number (2631371820).

Almost surely, 2^10511817047 is an apocalyptic number.

10511817047 is a deficient number, since it is larger than the sum of its proper divisors (13670233).

10511817047 is an equidigital number, since it uses as much as digits as its factorization.

10511817047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13670232.

The product of its (nonzero) digits is 7840, while the sum is 35.

The spelling of 10511817047 in words is "ten billion, five hundred eleven million, eight hundred seventeen thousand, forty-seven".