215253610253 has 16 divisors (see below), whose sum is σ = 237747750912. Its totient is φ = 193248990000.

The previous prime is 215253610193. The next prime is 215253610267. The reversal of 215253610253 is 352016352512.

It is not a de Polignac number, because 215253610253 - 2²² = 215249415949 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 (215253610153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2264228 + ... + 2357378.

It is an arithmetic number, because the mean of its divisors is an integer number (14859234432).

Almost surely, 2^215253610253 is an apocalyptic number.

It is an amenable number.

215253610253 is a deficient number, since it is larger than the sum of its proper divisors (22494140659).

215253610253 is a wasteful number, since it uses less digits than its factorization.

215253610253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95776.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 215253610253 its reverse (352016352512), we get a palindrome (567269962765).

The spelling of 215253610253 in words is "two hundred fifteen billion, two hundred fifty-three million, six hundred ten thousand, two hundred fifty-three".