253451313233515 has 16 divisors (see below), whose sum is σ = 304193132942976. Its totient is φ = 202726681804800.

The previous prime is 253451313233453. The next prime is 253451313233537. The reversal of 253451313233515 is 515332313154352.

It is not a de Polignac number, because 253451313233515 - 2¹³ = 253451313225323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857082574 + ... + 857378236.

It is an arithmetic number, because the mean of its divisors is an integer number (19012070808936).

Almost surely, 2^{253451313233515} is an apocalyptic number.

253451313233515 is a deficient number, since it is larger than the sum of its proper divisors (50741819709461).

253451313233515 is a wasteful number, since it uses less digits than its factorization.

253451313233515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324150.

The product of its digits is 2430000, while the sum is 46.

Adding to 253451313233515 its reverse (515332313154352), we get a palindrome (768783626387867).

The spelling of 253451313233515 in words is "two hundred fifty-three trillion, four hundred fifty-one billion, three hundred thirteen million, two hundred thirty-three thousand, five hundred fifteen".