11011324131 has 12 divisors (see below), whose sum is σ = 15919892352. Its totient is φ = 7334122896.

The previous prime is 11011324069. The next prime is 11011324147. The reversal of 11011324131 is 13142311011.

It is a happy number.

It is not a de Polignac number, because 11011324131 - 2⁷ = 11011324003 is a prime.

It is a super-2 number, since 2×11011324131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11011324931) 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, 552996 + ... + 572561.

It is an arithmetic number, because the mean of its divisors is an integer number (1326657696).

Almost surely, 2^11011324131 is an apocalyptic number.

11011324131 is a deficient number, since it is larger than the sum of its proper divisors (4908568221).

11011324131 is a wasteful number, since it uses less digits than its factorization.

11011324131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126650 (or 1126647 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11011324131 its reverse (13142311011), we get a palindrome (24153635142).

The spelling of 11011324131 in words is "eleven billion, eleven million, three hundred twenty-four thousand, one hundred thirty-one".