10203605565013 has 8 divisors (see below), whose sum is σ = 11661436983680. Its totient is φ = 8745817516560.

The previous prime is 10203605564993. The next prime is 10203605565019. The reversal of 10203605565013 is 31056550630201.

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 10203605565013 - 2²⁵ = 10203572010581 is a prime.

It is a super-2 number, since 2×10203605565013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203605565019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10336833 + ... + 11280838.

It is an arithmetic number, because the mean of its divisors is an integer number (1457679622960).

Almost surely, 2^{10203605565013} is an apocalyptic number.

It is an amenable number.

10203605565013 is a deficient number, since it is larger than the sum of its proper divisors (1457831418667).

10203605565013 is an equidigital number, since it uses as much as digits as its factorization.

10203605565013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21685107.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 10203605565013 in words is "ten trillion, two hundred three billion, six hundred five million, five hundred sixty-five thousand, thirteen".