1503044103253 has 48 divisors (see below), whose sum is σ = 1906840535040. Its totient is φ = 1159629276960.

The previous prime is 1503044103241. The next prime is 1503044103257. The reversal of 1503044103253 is 3523014403051.

It is a de Polignac number, because none of the positive numbers 2^k-1503044103253 is a prime.

It is a super-2 number, since 2×1503044103253² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1503044103257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54093318 + ... + 54121096.

It is an arithmetic number, because the mean of its divisors is an integer number (39725844480).

Almost surely, 2^{1503044103253} is an apocalyptic number.

It is an amenable number.

1503044103253 is a deficient number, since it is larger than the sum of its proper divisors (403796431787).

1503044103253 is a wasteful number, since it uses less digits than its factorization.

1503044103253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28438 (or 28427 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 1503044103253 in words is "one trillion, five hundred three billion, forty-four million, one hundred three thousand, two hundred fifty-three".