215354051203 has 4 divisors (see below), whose sum is σ = 215357287680. Its totient is φ = 215350814728.

The previous prime is 215354051179. The next prime is 215354051251. The reversal of 215354051203 is 302150453512.

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 215354051203 - 2²⁵ = 215320496771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215354051603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516288 + ... + 1652221.

It is an arithmetic number, because the mean of its divisors is an integer number (53839321920).

Almost surely, 2^215354051203 is an apocalyptic number.

215354051203 is a deficient number, since it is larger than the sum of its proper divisors (3236477).

215354051203 is an equidigital number, since it uses as much as digits as its factorization.

215354051203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236476.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 215354051203 in words is "two hundred fifteen billion, three hundred fifty-four million, fifty-one thousand, two hundred three".