215045424031103 has 4 divisors (see below), whose sum is σ = 227695154856480. Its totient is φ = 202395693205728.

The previous prime is 215045424031079. The next prime is 215045424031117. The reversal of 215045424031103 is 301130424540512.

215045424031103 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 215045424031103 - 2¹⁰ = 215045424030079 is a prime.

It is a super-2 number, since 2×215045424031103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215045424031183) 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, 6324865412663 + ... + 6324865412696.

It is an arithmetic number, because the mean of its divisors is an integer number (56923788714120).

Almost surely, 2^{215045424031103} is an apocalyptic number.

215045424031103 is a deficient number, since it is larger than the sum of its proper divisors (12649730825377).

215045424031103 is a wasteful number, since it uses less digits than its factorization.

215045424031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649730825376.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 215045424031103 its reverse (301130424540512), we get a palindrome (516175848571615).

The spelling of 215045424031103 in words is "two hundred fifteen trillion, forty-five billion, four hundred twenty-four million, thirty-one thousand, one hundred three".