10854478841 has 4 divisors (see below), whose sum is σ = 11147843172. Its totient is φ = 10561114512.

The previous prime is 10854478829. The next prime is 10854478847. The reversal of 10854478841 is 14887445801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14887445801 = 19 ⋅783549779.

It can be written as a sum of positive squares in 2 ways, for example, as 10034229241 + 820249600 = 100171^2 + 28640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10854478841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10854478841.

It is not an unprimeable number, because it can be changed into a prime (10854478847) 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, 146682110 + ... + 146682183.

It is an arithmetic number, because the mean of its divisors is an integer number (2786960793).

Almost surely, 2^10854478841 is an apocalyptic number.

It is an amenable number.

10854478841 is a deficient number, since it is larger than the sum of its proper divisors (293364331).

10854478841 is an equidigital number, since it uses as much as digits as its factorization.

10854478841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293364330.

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 10854478841 in words is "ten billion, eight hundred fifty-four million, four hundred seventy-eight thousand, eight hundred forty-one".