11033040621 has 8 divisors (see below), whose sum is σ = 14711253280. Its totient is φ = 7355094192.

The previous prime is 11033040559. The next prime is 11033040643. The reversal of 11033040621 is 12604033011.

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

It is not a de Polignac number, because 11033040621 - 2¹⁰ = 11033039597 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 (11033040671) 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, 70410 + ... + 164388.

It is an arithmetic number, because the mean of its divisors is an integer number (1838906660).

Almost surely, 2^11033040621 is an apocalyptic number.

It is an amenable number.

11033040621 is a deficient number, since it is larger than the sum of its proper divisors (3678212659).

11033040621 is an equidigital number, since it uses as much as digits as its factorization.

11033040621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133115.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11033040621 its reverse (12604033011), we get a palindrome (23637073632).

The spelling of 11033040621 in words is "eleven billion, thirty-three million, forty thousand, six hundred twenty-one".