1065404450503 has 4 divisors (see below), whose sum is σ = 1065408339640. Its totient is φ = 1065400561368.

The previous prime is 1065404450501. The next prime is 1065404450533. The reversal of 1065404450503 is 3050544045601.

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

It is a cyclic number.

It is not a de Polignac number, because 1065404450503 - 2¹ = 1065404450501 is a prime.

It is a super-2 number, since 2×1065404450503² (a number of 25 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 (1065404450501) 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, 1499733 + ... + 2092846.

It is an arithmetic number, because the mean of its divisors is an integer number (266352084910).

Almost surely, 2^{1065404450503} is an apocalyptic number.

1065404450503 is a deficient number, since it is larger than the sum of its proper divisors (3889137).

1065404450503 is an equidigital number, since it uses as much as digits as its factorization.

1065404450503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889136.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 1065404450503 in words is "one trillion, sixty-five billion, four hundred four million, four hundred fifty thousand, five hundred three".