1188756138103 has 2 divisors, whose sum is σ = 1188756138104. Its totient is φ = 1188756138102.

The previous prime is 1188756138077. The next prime is 1188756138113. The reversal of 1188756138103 is 3018316578811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1188756138103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1188756138113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594378069051 + 594378069052.

It is an arithmetic number, because the mean of its divisors is an integer number (594378069052).

Almost surely, 2^{1188756138103} is an apocalyptic number.

1188756138103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188756138103 is an equidigital number, since it uses as much as digits as its factorization.

1188756138103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 52.

The spelling of 1188756138103 in words is "one trillion, one hundred eighty-eight billion, seven hundred fifty-six million, one hundred thirty-eight thousand, one hundred three".