1253530553303 has 8 divisors (see below), whose sum is σ = 1432639107072. Its totient is φ = 1074430189656.

The previous prime is 1253530553299. The next prime is 1253530553311. The reversal of 1253530553303 is 3033550353521.

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 1253530553303 - 2² = 1253530553299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253530553323) 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, 1715975 + ... + 2334872.

It is an arithmetic number, because the mean of its divisors is an integer number (179079888384).

Almost surely, 2^{1253530553303} is an apocalyptic number.

1253530553303 is a deficient number, since it is larger than the sum of its proper divisors (179108553769).

1253530553303 is an equidigital number, since it uses as much as digits as its factorization.

1253530553303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095061.

The product of its (nonzero) digits is 303750, while the sum is 38.

The spelling of 1253530553303 in words is "one trillion, two hundred fifty-three billion, five hundred thirty million, five hundred fifty-three thousand, three hundred three".