253021363120353 has 64 divisors (see below), whose sum is σ = 367204417009920. Its totient is φ = 154582906060800.

The previous prime is 253021363120319. The next prime is 253021363120367. The reversal of 253021363120353 is 353021363120352.

It is not a de Polignac number, because 253021363120353 - 2⁶ = 253021363120289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253021363120453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1474251601 + ... + 1474423217.

It is an arithmetic number, because the mean of its divisors is an integer number (5737569015780).

Almost surely, 2^{253021363120353} is an apocalyptic number.

It is an amenable number.

253021363120353 is a deficient number, since it is larger than the sum of its proper divisors (114183053889567).

253021363120353 is a wasteful number, since it uses less digits than its factorization.

253021363120353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182898.

The product of its (nonzero) digits is 291600, while the sum is 39.

Subtracting 253021363120353 from its reverse (353021363120352), we obtain a palindrome (99999999999999).

The spelling of 253021363120353 in words is "two hundred fifty-three trillion, twenty-one billion, three hundred sixty-three million, one hundred twenty thousand, three hundred fifty-three".