11003225331 has 12 divisors (see below), whose sum is σ = 17066227272. Its totient is φ = 6287557248.

The previous prime is 11003225297. The next prime is 11003225347. The reversal of 11003225331 is 13352230011.

It is not a de Polignac number, because 11003225331 - 2⁷ = 11003225203 is a prime.

It is a super-2 number, since 2×11003225331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11003225298 and 11003225307.

It is not an unprimeable number, because it can be changed into a prime (11003225381) 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, 37425790 + ... + 37426083.

It is an arithmetic number, because the mean of its divisors is an integer number (1422185606).

Almost surely, 2^11003225331 is an apocalyptic number.

11003225331 is a deficient number, since it is larger than the sum of its proper divisors (6063001941).

11003225331 is an equidigital number, since it uses as much as digits as its factorization.

11003225331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74851890 (or 74851883 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 11003225331 its reverse (13352230011), we get a palindrome (24355455342).

The spelling of 11003225331 in words is "eleven billion, three million, two hundred twenty-five thousand, three hundred thirty-one".