11130311043 has 36 divisors (see below), whose sum is σ = 17139940168. Its totient is φ = 6958586880.

The previous prime is 11130311033. The next prime is 11130311053. The reversal of 11130311043 is 34011303111.

It is an interprime number because it is at equal distance from previous prime (11130311033) and next prime (11130311053).

It is not a de Polignac number, because 11130311043 - 2¹³ = 11130302851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130311033) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 728523 + ... + 743643.

Almost surely, 2^11130311043 is an apocalyptic number.

11130311043 is a deficient number, since it is larger than the sum of its proper divisors (6009629125).

11130311043 is a wasteful number, since it uses less digits than its factorization.

11130311043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15444 (or 15424 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11130311043 its reverse (34011303111), we get a palindrome (45141614154).

The spelling of 11130311043 in words is "eleven billion, one hundred thirty million, three hundred eleven thousand, forty-three".