253215323728107 has 16 divisors (see below), whose sum is σ = 363593462012928. Its totient is φ = 155823859769760.

The previous prime is 253215323728067. The next prime is 253215323728223. The reversal of 253215323728107 is 701827323512352.

It is not a de Polignac number, because 253215323728107 - 2¹⁶ = 253215323662571 is a prime.

It is a super-4 number, since 4×253215323728107⁴ (a number of 59 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253215323728107.

It is not an unprimeable number, because it can be changed into a prime (253215323828107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13419433 + ... + 26201370.

It is an arithmetic number, because the mean of its divisors is an integer number (22724591375808).

Almost surely, 2^{253215323728107} is an apocalyptic number.

253215323728107 is a deficient number, since it is larger than the sum of its proper divisors (110378138284821).

253215323728107 is a wasteful number, since it uses less digits than its factorization.

253215323728107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39784690.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 253215323728107 in words is "two hundred fifty-three trillion, two hundred fifteen billion, three hundred twenty-three million, seven hundred twenty-eight thousand, one hundred seven".