1188756138113 has 2 divisors, whose sum is σ = 1188756138114. Its totient is φ = 1188756138112.

The previous prime is 1188756138103. The next prime is 1188756138133. The reversal of 1188756138113 is 3118316578811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681503083024 + 507253055089 = 825532^2 + 712217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1188756138113 - 2¹⁰ = 1188756137089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1188756138103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594378069056 + 594378069057.

It is an arithmetic number, because the mean of its divisors is an integer number (594378069057).

Almost surely, 2^{1188756138113} is an apocalyptic number.

It is an amenable number.

1188756138113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188756138113 is an equidigital number, since it uses as much as digits as its factorization.

1188756138113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 53.

The spelling of 1188756138113 in words is "one trillion, one hundred eighty-eight billion, seven hundred fifty-six million, one hundred thirty-eight thousand, one hundred thirteen".