11040412521 has 8 divisors (see below), whose sum is σ = 14723933760. Its totient is φ = 7358583152.

The previous prime is 11040412519. The next prime is 11040412541. The reversal of 11040412521 is 12521404011.

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 11040412521 - 2¹ = 11040412519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11040412511) 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, 407661 + ... + 433898.

It is an arithmetic number, because the mean of its divisors is an integer number (1840491720).

Almost surely, 2^11040412521 is an apocalyptic number.

It is an amenable number.

11040412521 is a deficient number, since it is larger than the sum of its proper divisors (3683521239).

11040412521 is an equidigital number, since it uses as much as digits as its factorization.

11040412521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845935.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11040412521 its reverse (12521404011), we get a palindrome (23561816532).

The spelling of 11040412521 in words is "eleven billion, forty million, four hundred twelve thousand, five hundred twenty-one".