10885378817 has 8 divisors (see below), whose sum is σ = 11548348200. Its totient is φ = 10224926464.

The previous prime is 10885378789. The next prime is 10885378841. The reversal of 10885378817 is 71887358801.

It can be written as a sum of positive squares in 4 ways, for example, as 4768731136 + 6116647681 = 69056^2 + 78209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10885378817 - 2¹⁰ = 10885377793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10885378417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620342 + ... + 637647.

It is an arithmetic number, because the mean of its divisors is an integer number (1443543525).

Almost surely, 2^10885378817 is an apocalyptic number.

10885378817 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10885378817 is a deficient number, since it is larger than the sum of its proper divisors (662969383).

10885378817 is a wasteful number, since it uses less digits than its factorization.

10885378817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258515.

The product of its (nonzero) digits is 3010560, while the sum is 56.

The spelling of 10885378817 in words is "ten billion, eight hundred eighty-five million, three hundred seventy-eight thousand, eight hundred seventeen".