11645361 has 48 divisors (see below), whose sum is σ = 21141120. Its totient is φ = 6013440.

The previous prime is 11645351. The next prime is 11645363. The reversal of 11645361 is 16354611.

11645361 is a `hidden beast` number, since 11 + 645 + 3 + 6 + 1 = 666.

11645361 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11645361 - 2⁵ = 11645329 is a prime.

It is a super-2 number, since 2×11645361² = 271228865640642, which contains 22 as substring.

11645361 is an undulating number in base 16.

It is not an unprimeable number, because it can be changed into a prime (11645363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48201 + ... + 48441.

It is an arithmetic number, because the mean of its divisors is an integer number (440440).

Almost surely, 2^11645361 is an apocalyptic number.

It is an amenable number.

11645361 is a deficient number, since it is larger than the sum of its proper divisors (9495759).

11645361 is a wasteful number, since it uses less digits than its factorization.

11645361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 323 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 11645361 is about 3412.5299998681. The cubic root of 11645361 is about 226.6649238140.

Adding to 11645361 its reverse (16354611), we get a palindrome (27999972).

The spelling of 11645361 in words is "eleven million, six hundred forty-five thousand, three hundred sixty-one".