11343551 has 8 divisors (see below), whose sum is σ = 12326400. Its totient is φ = 10399320.

The previous prime is 11343533. The next prime is 11343557. The reversal of 11343551 is 15534311.

11343551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11343551 - 2¹⁴ = 11327167 is a prime.

It is a super-3 number, since 3×11343551³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343557) 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, 9041 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (1540800).

Almost surely, 2^11343551 is an apocalyptic number.

11343551 is a deficient number, since it is larger than the sum of its proper divisors (982849).

11343551 is a wasteful number, since it uses less digits than its factorization.

11343551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19309.

The product of its digits is 900, while the sum is 23.

The square root of 11343551 is about 3368.0188538665. The cubic root of 11343551 is about 224.6896197740.

Adding to 11343551 its reverse (15534311), we get a palindrome (26877862).

The spelling of 11343551 in words is "eleven million, three hundred forty-three thousand, five hundred fifty-one".