11335345521 has 8 divisors (see below), whose sum is σ = 15210060864. Its totient is φ = 7508763600.

The previous prime is 11335345519. The next prime is 11335345523. The reversal of 11335345521 is 12554353311.

11335345521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11335345519) and next prime (11335345523).

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

It is not a de Polignac number, because 11335345521 - 2¹ = 11335345519 is a prime.

It is a super-2 number, since 2×11335345521² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11335345523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12032805 + ... + 12033746.

It is an arithmetic number, because the mean of its divisors is an integer number (1901257608).

Almost surely, 2^11335345521 is an apocalyptic number.

It is an amenable number.

11335345521 is a deficient number, since it is larger than the sum of its proper divisors (3874715343).

11335345521 is a wasteful number, since it uses less digits than its factorization.

11335345521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24066711.

The product of its digits is 27000, while the sum is 33.

Adding to 11335345521 its reverse (12554353311), we get a palindrome (23889698832).

The spelling of 11335345521 in words is "eleven billion, three hundred thirty-five million, three hundred forty-five thousand, five hundred twenty-one".