53321116251 has 16 divisors (see below), whose sum is σ = 76582598400. Its totient is φ = 32804875680.

The previous prime is 53321116231. The next prime is 53321116253. The reversal of 53321116251 is 15261112335.

It is not a de Polignac number, because 53321116251 - 2⁶ = 53321116187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53321116253) 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, 7551 + ... + 326648.

It is an arithmetic number, because the mean of its divisors is an integer number (4786412400).

Almost surely, 2^53321116251 is an apocalyptic number.

53321116251 is a deficient number, since it is larger than the sum of its proper divisors (23261482149).

53321116251 is a wasteful number, since it uses less digits than its factorization.

53321116251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338306.

The product of its digits is 5400, while the sum is 30.

Adding to 53321116251 its reverse (15261112335), we get a palindrome (68582228586).

The spelling of 53321116251 in words is "fifty-three billion, three hundred twenty-one million, one hundred sixteen thousand, two hundred fifty-one".