10811516847 has 4 divisors (see below), whose sum is σ = 14415355800. Its totient is φ = 7207677896.

The previous prime is 10811516803. The next prime is 10811516861. The reversal of 10811516847 is 74861511801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74861511801 = 3 ⋅24953837267.

It is a cyclic number.

It is not a de Polignac number, because 10811516847 - 2⁶ = 10811516783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10811516799 and 10811516808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10811516887) 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, 1801919472 + ... + 1801919477.

It is an arithmetic number, because the mean of its divisors is an integer number (3603838950).

Almost surely, 2^10811516847 is an apocalyptic number.

10811516847 is a deficient number, since it is larger than the sum of its proper divisors (3603838953).

10811516847 is an equidigital number, since it uses as much as digits as its factorization.

10811516847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603838952.

The product of its (nonzero) digits is 53760, while the sum is 42.

The spelling of 10811516847 in words is "ten billion, eight hundred eleven million, five hundred sixteen thousand, eight hundred forty-seven".