11241820815 has 16 divisors (see below), whose sum is σ = 18473047008. Its totient is φ = 5833593216.

The previous prime is 11241820789. The next prime is 11241820817. The reversal of 11241820815 is 51802814211.

It is not a de Polignac number, because 11241820815 - 2²⁰ = 11240772239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11241820817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10127212 + ... + 10128321.

It is an arithmetic number, because the mean of its divisors is an integer number (1154565438).

Almost surely, 2^11241820815 is an apocalyptic number.

11241820815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11241820815 is a deficient number, since it is larger than the sum of its proper divisors (7231226193).

11241820815 is a wasteful number, since it uses less digits than its factorization.

11241820815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20255578.

The product of its (nonzero) digits is 5120, while the sum is 33.

The spelling of 11241820815 in words is "eleven billion, two hundred forty-one million, eight hundred twenty thousand, eight hundred fifteen".