253520223015145 has 16 divisors (see below), whose sum is σ = 305722947866112. Its totient is φ = 201817858521600.

The previous prime is 253520223015131. The next prime is 253520223015167. The reversal of 253520223015145 is 541510322025352.

It is not a de Polignac number, because 253520223015145 - 2³³ = 253511633080553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253520223015098 and 253520223015107.

It is an unprimeable number.

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, 47481531 + ... + 52550320.

It is an arithmetic number, because the mean of its divisors is an integer number (19107684241632).

Almost surely, 2^{253520223015145} is an apocalyptic number.

It is an amenable number.

253520223015145 is a deficient number, since it is larger than the sum of its proper divisors (52202724850967).

253520223015145 is a wasteful number, since it uses less digits than its factorization.

253520223015145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100034352.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 253520223015145 in words is "two hundred fifty-three trillion, five hundred twenty billion, two hundred twenty-three million, fifteen thousand, one hundred forty-five".