11205100244215 has 4 divisors (see below), whose sum is σ = 13446120293064. Its totient is φ = 8964080195368.

The previous prime is 11205100244213. The next prime is 11205100244249. The reversal of 11205100244215 is 51244200150211.

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 11205100244215 - 2¹ = 11205100244213 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 (11205100244213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120510024417 + ... + 1120510024426.

It is an arithmetic number, because the mean of its divisors is an integer number (3361530073266).

Almost surely, 2^{11205100244215} is an apocalyptic number.

11205100244215 is a deficient number, since it is larger than the sum of its proper divisors (2241020048849).

11205100244215 is an equidigital number, since it uses as much as digits as its factorization.

11205100244215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241020048848.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 11205100244215 its reverse (51244200150211), we get a palindrome (62449300394426).

The spelling of 11205100244215 in words is "eleven trillion, two hundred five billion, one hundred million, two hundred forty-four thousand, two hundred fifteen".