11363121 has 48 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 5585760.

The previous prime is 11363119. The next prime is 11363153. The reversal of 11363121 is 12136311.

11363121 is a `hidden beast` number, since 1 + 13 + 631 + 21 = 666.

11363121 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 11363121 - 2¹ = 11363119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11363094 and 11363103.

It is not an unprimeable number, because it can be changed into a prime (11363321) 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, 12736 + ... + 13598.

It is an arithmetic number, because the mean of its divisors is an integer number (449280).

Almost surely, 2^11363121 is an apocalyptic number.

11363121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11363121 is a deficient number, since it is larger than the sum of its proper divisors (10202319).

11363121 is a wasteful number, since it uses less digits than its factorization.

11363121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 903 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 11363121 is about 3370.9228706691. The cubic root of 11363121 is about 224.8187577484.

Adding to 11363121 its reverse (12136311), we get a palindrome (23499432).

The spelling of 11363121 in words is "eleven million, three hundred sixty-three thousand, one hundred twenty-one".