11241152521 has 16 divisors (see below), whose sum is σ = 11985595200. Its totient is φ = 10522588608.

The previous prime is 11241152519. The next prime is 11241152551. The reversal of 11241152521 is 12525114211.

It is a cyclic number.

It is not a de Polignac number, because 11241152521 - 2¹ = 11241152519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11241152551) 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, 285150 + ... + 322168.

It is an arithmetic number, because the mean of its divisors is an integer number (749099700).

Almost surely, 2^11241152521 is an apocalyptic number.

It is an amenable number.

11241152521 is a deficient number, since it is larger than the sum of its proper divisors (744442679).

11241152521 is a wasteful number, since it uses less digits than its factorization.

11241152521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37368.

The product of its digits is 800, while the sum is 25.

Adding to 11241152521 its reverse (12525114211), we get a palindrome (23766266732).

The spelling of 11241152521 in words is "eleven billion, two hundred forty-one million, one hundred fifty-two thousand, five hundred twenty-one".