253415513144415 has 8 divisors (see below), whose sum is σ = 405464821031088. Its totient is φ = 135154940343680.

The previous prime is 253415513144357. The next prime is 253415513144419. The reversal of 253415513144415 is 514441315514352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253415513144415 - 2⁶ = 253415513144351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253415513144419) 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, 8447183771466 + ... + 8447183771495.

It is an arithmetic number, because the mean of its divisors is an integer number (50683102628886).

Almost surely, 2^{253415513144415} is an apocalyptic number.

253415513144415 is a deficient number, since it is larger than the sum of its proper divisors (152049307886673).

253415513144415 is a wasteful number, since it uses less digits than its factorization.

253415513144415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16894367542969.

The product of its digits is 2880000, while the sum is 48.

Adding to 253415513144415 its reverse (514441315514352), we get a palindrome (767856828658767).

The spelling of 253415513144415 in words is "two hundred fifty-three trillion, four hundred fifteen billion, five hundred thirteen million, one hundred forty-four thousand, four hundred fifteen".