215004504452053 has 4 divisors (see below), whose sum is σ = 215004605198860. Its totient is φ = 215004403705248.

The previous prime is 215004504452047. The next prime is 215004504452113. The reversal of 215004504452053 is 350254405400512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64649994032484 + 150354510419569 = 8040522^2 + 12261913^2 .

It is a cyclic number.

It is not a de Polignac number, because 215004504452053 - 2⁵ = 215004504452021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215004504451997 and 215004504452015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215004504452953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47101398 + ... + 51464071.

It is an arithmetic number, because the mean of its divisors is an integer number (53751151299715).

Almost surely, 2^{215004504452053} is an apocalyptic number.

It is an amenable number.

215004504452053 is a deficient number, since it is larger than the sum of its proper divisors (100746807).

215004504452053 is an equidigital number, since it uses as much as digits as its factorization.

215004504452053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100746806.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 215004504452053 its reverse (350254405400512), we get a palindrome (565258909852565).

The spelling of 215004504452053 in words is "two hundred fifteen trillion, four billion, five hundred four million, four hundred fifty-two thousand, fifty-three".