10839121003 has 4 divisors (see below), whose sum is σ = 10849057128. Its totient is φ = 10829184880.

The previous prime is 10839120979. The next prime is 10839121031. The reversal of 10839121003 is 30012193801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30012193801 = 37 ⋅811140373.

It is a cyclic number.

It is not a de Polignac number, because 10839121003 - 2¹³ = 10839112811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10839121093) 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, 4966426 + ... + 4968607.

It is an arithmetic number, because the mean of its divisors is an integer number (2712264282).

Almost surely, 2^10839121003 is an apocalyptic number.

10839121003 is a deficient number, since it is larger than the sum of its proper divisors (9936125).

10839121003 is an equidigital number, since it uses as much as digits as its factorization.

10839121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936124.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 10839121003 in words is "ten billion, eight hundred thirty-nine million, one hundred twenty-one thousand, three".