2175061221253 has 8 divisors (see below), whose sum is σ = 2201143718880. Its totient is φ = 2149133516400.

The previous prime is 2175061221217. The next prime is 2175061221271. The reversal of 2175061221253 is 3521221605712.

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

It is a cyclic number.

It is not a de Polignac number, because 2175061221253 - 2²¹ = 2175059124101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175061224253) 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 7 ways as a sum of consecutive naturals, for example, 38669923 + ... + 38726128.

It is an arithmetic number, because the mean of its divisors is an integer number (275142964860).

Almost surely, 2^{2175061221253} is an apocalyptic number.

It is an amenable number.

2175061221253 is a deficient number, since it is larger than the sum of its proper divisors (26082497627).

2175061221253 is a wasteful number, since it uses less digits than its factorization.

2175061221253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77396387.

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 2175061221253 its reverse (3521221605712), we get a palindrome (5696282826965).

The spelling of 2175061221253 in words is "two trillion, one hundred seventy-five billion, sixty-one million, two hundred twenty-one thousand, two hundred fifty-three".