10851317227 has 4 divisors (see below), whose sum is σ = 10853467240. Its totient is φ = 10849167216.

The previous prime is 10851317201. The next prime is 10851317291. The reversal of 10851317227 is 72271315801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72271315801 = 593 ⋅121874057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10851317227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10851317327) 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, 1067418 + ... + 1077535.

It is an arithmetic number, because the mean of its divisors is an integer number (2713366810).

Almost surely, 2^10851317227 is an apocalyptic number.

10851317227 is a deficient number, since it is larger than the sum of its proper divisors (2150013).

10851317227 is an equidigital number, since it uses as much as digits as its factorization.

10851317227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150012.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 10851317227 in words is "ten billion, eight hundred fifty-one million, three hundred seventeen thousand, two hundred twenty-seven".