11235553 has 12 divisors (see below), whose sum is σ = 13124592. Its totient is φ = 9590280.

The previous prime is 11235551. The next prime is 11235559. The reversal of 11235553 is 35553211.

11235553 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11235553 - 2¹ = 11235551 is a prime.

It is a Duffinian number.

11235553 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (11235551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22638 + ... + 23128.

It is an arithmetic number, because the mean of its divisors is an integer number (1093716).

Almost surely, 2^11235553 is an apocalyptic number.

It is an amenable number.

11235553 is a deficient number, since it is larger than the sum of its proper divisors (1889039).

11235553 is an equidigital number, since it uses as much as digits as its factorization.

11235553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 965 counting only the distinct ones).

The product of its digits is 2250, while the sum is 25.

The square root of 11235553 is about 3351.9476427892. The cubic root of 11235553 is about 223.9742809013.

Adding to 11235553 its reverse (35553211), we get a palindrome (46788764).

The spelling of 11235553 in words is "eleven million, two hundred thirty-five thousand, five hundred fifty-three".