215600420365103 has 4 divisors (see below), whose sum is σ = 215631973192128. Its totient is φ = 215568867538080.

The previous prime is 215600420365073. The next prime is 215600420365123. The reversal of 215600420365103 is 301563024006512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215600420365103 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 (215600420365123) 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, 15776403263 + ... + 15776416928.

It is an arithmetic number, because the mean of its divisors is an integer number (53907993298032).

Almost surely, 2^{215600420365103} is an apocalyptic number.

215600420365103 is a deficient number, since it is larger than the sum of its proper divisors (31552827025).

215600420365103 is an equidigital number, since it uses as much as digits as its factorization.

215600420365103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31552827024.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 215600420365103 in words is "two hundred fifteen trillion, six hundred billion, four hundred twenty million, three hundred sixty-five thousand, one hundred three".