1253455520303 has 16 divisors (see below), whose sum is σ = 1434473349120. Its totient is φ = 1072926816000.

The previous prime is 1253455520293. The next prime is 1253455520329. The reversal of 1253455520303 is 3030255543521.

It is a cyclic number.

It is not a de Polignac number, because 1253455520303 - 2¹² = 1253455516207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253455529303) 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, 16729238 + ... + 16803996.

It is an arithmetic number, because the mean of its divisors is an integer number (89654584320).

Almost surely, 2^{1253455520303} is an apocalyptic number.

1253455520303 is a deficient number, since it is larger than the sum of its proper divisors (181017828817).

1253455520303 is a wasteful number, since it uses less digits than its factorization.

1253455520303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77998.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 1253455520303 in words is "one trillion, two hundred fifty-three billion, four hundred fifty-five million, five hundred twenty thousand, three hundred three".