1103385672833 has 4 divisors (see below), whose sum is σ = 1103704481748. Its totient is φ = 1103066863920.

The previous prime is 1103385672803. The next prime is 1103385672841. The reversal of 1103385672833 is 3382765833011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 683148534784 + 420237138049 = 826528^2 + 648257^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103385672833 - 2¹⁶ = 1103385607297 is a prime.

It is a super-2 number, since 2×1103385672833² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103385672803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159399266 + ... + 159406187.

It is an arithmetic number, because the mean of its divisors is an integer number (275926120437).

Almost surely, 2^{1103385672833} is an apocalyptic number.

It is an amenable number.

1103385672833 is a deficient number, since it is larger than the sum of its proper divisors (318808915).

1103385672833 is an equidigital number, since it uses as much as digits as its factorization.

1103385672833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318808914.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 1103385672833 in words is "one trillion, one hundred three billion, three hundred eighty-five million, six hundred seventy-two thousand, eight hundred thirty-three".