216750253203051 has 4 divisors (see below), whose sum is σ = 289000337604072. Its totient is φ = 144500168802032.

The previous prime is 216750253203031. The next prime is 216750253203059. The reversal of 216750253203051 is 150302352057612.

It is a happy number.

216750253203051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 216750253203051 - 2³¹ = 216748105719403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216750253202994 and 216750253203012.

It is not an unprimeable number, because it can be changed into a prime (216750253203059) 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, 36125042200506 + ... + 36125042200511.

It is an arithmetic number, because the mean of its divisors is an integer number (72250084401018).

Almost surely, 2^{216750253203051} is an apocalyptic number.

216750253203051 is a deficient number, since it is larger than the sum of its proper divisors (72250084401021).

216750253203051 is an equidigital number, since it uses as much as digits as its factorization.

216750253203051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72250084401020.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 216750253203051 in words is "two hundred sixteen trillion, seven hundred fifty billion, two hundred fifty-three million, two hundred three thousand, fifty-one".