11130509051 has 2 divisors, whose sum is σ = 11130509052. Its totient is φ = 11130509050.

The previous prime is 11130509041. The next prime is 11130509083. The reversal of 11130509051 is 15090503111.

It is a weak prime.

It is an emirp because it is prime and its reverse (15090503111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11130509051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11130509051.

It is not a weakly prime, because it can be changed into another prime (11130509041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565254525 + 5565254526.

It is an arithmetic number, because the mean of its divisors is an integer number (5565254526).

Almost surely, 2^11130509051 is an apocalyptic number.

11130509051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130509051 is an equidigital number, since it uses as much as digits as its factorization.

11130509051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 26.

The spelling of 11130509051 in words is "eleven billion, one hundred thirty million, five hundred nine thousand, fifty-one".