11651361 has 16 divisors (see below), whose sum is σ = 15980544. Its totient is φ = 7547904.

The previous prime is 11651357. The next prime is 11651369. The reversal of 11651361 is 16315611.

It is not a de Polignac number, because 11651361 - 2² = 11651357 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11651369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19905 + ... + 20481.

It is an arithmetic number, because the mean of its divisors is an integer number (998784).

Almost surely, 2^11651361 is an apocalyptic number.

It is an amenable number.

11651361 is a deficient number, since it is larger than the sum of its proper divisors (4329183).

11651361 is a wasteful number, since it uses less digits than its factorization.

11651361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its digits is 540, while the sum is 24.

The square root of 11651361 is about 3413.4089998124. The cubic root of 11651361 is about 226.7038450646.

Adding to 11651361 its reverse (16315611), we get a palindrome (27966972).

The spelling of 11651361 in words is "eleven million, six hundred fifty-one thousand, three hundred sixty-one".