11334425521 has 8 divisors (see below), whose sum is σ = 12088758600. Its totient is φ = 10589826048.

The previous prime is 11334425491. The next prime is 11334425549. The reversal of 11334425521 is 12552443311.

It can be written as a sum of positive squares in 4 ways, for example, as 7458740496 + 3875685025 = 86364^2 + 62255^2 .

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

It is not a de Polignac number, because 11334425521 - 2²⁵ = 11300871089 is a prime.

It is a super-2 number, since 2×11334425521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11334425581) 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, 2430996 + ... + 2435653.

It is an arithmetic number, because the mean of its divisors is an integer number (1511094825).

Almost surely, 2^11334425521 is an apocalyptic number.

It is an amenable number.

11334425521 is a deficient number, since it is larger than the sum of its proper divisors (754333079).

11334425521 is a wasteful number, since it uses less digits than its factorization.

11334425521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866803.

The product of its digits is 14400, while the sum is 31.

Adding to 11334425521 its reverse (12552443311), we get a palindrome (23886868832).

The spelling of 11334425521 in words is "eleven billion, three hundred thirty-four million, four hundred twenty-five thousand, five hundred twenty-one".