11131120324 has 12 divisors (see below), whose sum is σ = 19490870700. Its totient is φ = 5562300128.

The previous prime is 11131120321. The next prime is 11131120331. The reversal of 11131120324 is 42302113111.

It can be written as a sum of positive squares in 2 ways, for example, as 3154844224 + 7976276100 = 56168^2 + 89310^2 .

It is not an unprimeable number, because it can be changed into a prime (11131120321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807319 + ... + 820990.

It is an arithmetic number, because the mean of its divisors is an integer number (1624239225).

Almost surely, 2^11131120324 is an apocalyptic number.

It is an amenable number.

11131120324 is a deficient number, since it is larger than the sum of its proper divisors (8359750376).

11131120324 is a wasteful number, since it uses less digits than its factorization.

11131120324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630022 (or 1630020 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11131120324 its reverse (42302113111), we get a palindrome (53433233435).

The spelling of 11131120324 in words is "eleven billion, one hundred thirty-one million, one hundred twenty thousand, three hundred twenty-four".