11111300051 has 2 divisors, whose sum is σ = 11111300052. Its totient is φ = 11111300050.

The previous prime is 11111300047. The next prime is 11111300087. The reversal of 11111300051 is 15000311111.

It is a weak prime.

It is an emirp because it is prime and its reverse (15000311111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11111300051 - 2² = 11111300047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11111299999 and 11111300035.

It is not a weakly prime, because it can be changed into another prime (11111300041) 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, 5555650025 + 5555650026.

It is an arithmetic number, because the mean of its divisors is an integer number (5555650026).

Almost surely, 2^11111300051 is an apocalyptic number.

11111300051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111300051 is an equidigital number, since it uses as much as digits as its factorization.

11111300051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15, while the sum is 14.

Adding to 11111300051 its reverse (15000311111), we get a palindrome (26111611162).

The spelling of 11111300051 in words is "eleven billion, one hundred eleven million, three hundred thousand, fifty-one".