11131030012 has 6 divisors (see below), whose sum is σ = 19479302528. Its totient is φ = 5565515004.

The previous prime is 11131029991. The next prime is 11131030019. The reversal of 11131030012 is 21003013111.

It is a super-4 number, since 4×11131030012⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11131029974 and 11131030001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131030019) 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 as a sum of consecutive naturals, namely, 1391378748 + ... + 1391378755.

Almost surely, 2^11131030012 is an apocalyptic number.

It is an amenable number.

11131030012 is a deficient number, since it is larger than the sum of its proper divisors (8348272516).

11131030012 is a wasteful number, since it uses less digits than its factorization.

11131030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782757507 (or 2782757505 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11131030012 its reverse (21003013111), we get a palindrome (32134043123).

The spelling of 11131030012 in words is "eleven billion, one hundred thirty-one million, thirty thousand, twelve".