11241021535 has 4 divisors (see below), whose sum is σ = 13489225848. Its totient is φ = 8992817224.

The previous prime is 11241021523. The next prime is 11241021559. The reversal of 11241021535 is 53512014211.

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 11241021535 - 2¹⁵ = 11240988767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124102149 + ... + 1124102158.

It is an arithmetic number, because the mean of its divisors is an integer number (3372306462).

Almost surely, 2^11241021535 is an apocalyptic number.

11241021535 is a deficient number, since it is larger than the sum of its proper divisors (2248204313).

11241021535 is an equidigital number, since it uses as much as digits as its factorization.

11241021535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248204312.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11241021535 its reverse (53512014211), we get a palindrome (64753035746).

The spelling of 11241021535 in words is "eleven billion, two hundred forty-one million, twenty-one thousand, five hundred thirty-five".