1253424202503 has 16 divisors (see below), whose sum is σ = 1823208240000. Its totient is φ = 759631963680.

The previous prime is 1253424202501. The next prime is 1253424202507. The reversal of 1253424202503 is 3052024243521.

It is not a de Polignac number, because 1253424202503 - 2¹ = 1253424202501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253424202501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918873 + ... + 1830621.

It is an arithmetic number, because the mean of its divisors is an integer number (113950515000).

Almost surely, 2^{1253424202503} is an apocalyptic number.

1253424202503 is a deficient number, since it is larger than the sum of its proper divisors (569784037497).

1253424202503 is a wasteful number, since it uses less digits than its factorization.

1253424202503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953422.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 1253424202503 in words is "one trillion, two hundred fifty-three billion, four hundred twenty-four million, two hundred two thousand, five hundred three".