215304445103 has 8 divisors (see below), whose sum is σ = 248693904720. Its totient is φ = 184217706880.

The previous prime is 215304445099. The next prime is 215304445121. The reversal of 215304445103 is 301544403512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215304445103 - 2² = 215304445099 is a prime.

It is a super-2 number, since 2×215304445103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215304445103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215304445133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575680148 + ... + 575680521.

It is an arithmetic number, because the mean of its divisors is an integer number (31086738090).

Almost surely, 2^215304445103 is an apocalyptic number.

215304445103 is a deficient number, since it is larger than the sum of its proper divisors (33389459617).

215304445103 is a wasteful number, since it uses less digits than its factorization.

215304445103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151360697.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 215304445103 its reverse (301544403512), we get a palindrome (516848848615).

The spelling of 215304445103 in words is "two hundred fifteen billion, three hundred four million, four hundred forty-five thousand, one hundred three".