1253530415451 has 16 divisors (see below), whose sum is σ = 1679450512896. Its totient is φ = 831656275296.

The previous prime is 1253530415419. The next prime is 1253530415477. The reversal of 1253530415451 is 1545140353521.

It is not a de Polignac number, because 1253530415451 - 2⁵ = 1253530415419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253530419451) 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, 298755 + ... + 1611308.

It is an arithmetic number, because the mean of its divisors is an integer number (104965657056).

Almost surely, 2^{1253530415451} is an apocalyptic number.

1253530415451 is a deficient number, since it is larger than the sum of its proper divisors (425920097445).

1253530415451 is a wasteful number, since it uses less digits than its factorization.

1253530415451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911122.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 1253530415451 its reverse (1545140353521), we get a palindrome (2798670768972).

The spelling of 1253530415451 in words is "one trillion, two hundred fifty-three billion, five hundred thirty million, four hundred fifteen thousand, four hundred fifty-one".