11253124415221 has 16 divisors (see below), whose sum is σ = 12848703211008. Its totient is φ = 9763452000000.

The previous prime is 11253124415201. The next prime is 11253124415243. The reversal of 11253124415221 is 12251442135211.

It is a cyclic number.

It is not a de Polignac number, because 11253124415221 - 2⁵ = 11253124415189 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 (11253124415201) 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, 33734905 + ... + 34066846.

It is an arithmetic number, because the mean of its divisors is an integer number (803043950688).

Almost surely, 2^{11253124415221} is an apocalyptic number.

It is an amenable number.

11253124415221 is a deficient number, since it is larger than the sum of its proper divisors (1595578795787).

11253124415221 is a wasteful number, since it uses less digits than its factorization.

11253124415221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67802532.

The product of its digits is 19200, while the sum is 34.

The spelling of 11253124415221 in words is "eleven trillion, two hundred fifty-three billion, one hundred twenty-four million, four hundred fifteen thousand, two hundred twenty-one".