11111100137 has 2 divisors, whose sum is σ = 11111100138. Its totient is φ = 11111100136.

The previous prime is 11111100089. The next prime is 11111100149. The reversal of 11111100137 is 73100111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7464268816 + 3646831321 = 86396^2 + 60389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111100137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111106137) 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, 5555550068 + 5555550069.

It is an arithmetic number, because the mean of its divisors is an integer number (5555550069).

Almost surely, 2^11111100137 is an apocalyptic number.

It is an amenable number.

11111100137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111100137 is an equidigital number, since it uses as much as digits as its factorization.

11111100137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21, while the sum is 17.

Adding to 11111100137 its reverse (73100111111), we get a palindrome (84211211248).

The spelling of 11111100137 in words is "eleven billion, one hundred eleven million, one hundred thousand, one hundred thirty-seven".