253503145163235 has 128 divisors (see below), whose sum is σ = 472354630410240. Its totient is φ = 114794809113600.

The previous prime is 253503145163201. The next prime is 253503145163239. The reversal of 253503145163235 is 532361541305352.

It is not a de Polignac number, because 253503145163235 - 2²⁶ = 253503078054371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253503145163239) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7423860432 + ... + 7423894578.

It is an arithmetic number, because the mean of its divisors is an integer number (3690270550080).

Almost surely, 2^{253503145163235} is an apocalyptic number.

253503145163235 is a deficient number, since it is larger than the sum of its proper divisors (218851485247005).

253503145163235 is a wasteful number, since it uses less digits than its factorization.

253503145163235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67609.

The product of its (nonzero) digits is 4860000, while the sum is 48.

Adding to 253503145163235 its reverse (532361541305352), we get a palindrome (785864686468587).

The spelling of 253503145163235 in words is "two hundred fifty-three trillion, five hundred three billion, one hundred forty-five million, one hundred sixty-three thousand, two hundred thirty-five".