11354525221 has 8 divisors (see below), whose sum is σ = 12488120064. Its totient is φ = 10258097520.

The previous prime is 11354525219. The next prime is 11354525251. The reversal of 11354525221 is 12252545311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11354525221 - 2¹ = 11354525219 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 (11354525251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9291145 + ... + 9292366.

It is an arithmetic number, because the mean of its divisors is an integer number (1561015008).

Almost surely, 2^11354525221 is an apocalyptic number.

It is an amenable number.

11354525221 is a deficient number, since it is larger than the sum of its proper divisors (1133594843).

11354525221 is a wasteful number, since it uses less digits than its factorization.

11354525221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18583571.

The product of its digits is 12000, while the sum is 31.

The spelling of 11354525221 in words is "eleven billion, three hundred fifty-four million, five hundred twenty-five thousand, two hundred twenty-one".