11508618825157 has 2 divisors, whose sum is σ = 11508618825158. Its totient is φ = 11508618825156.

The previous prime is 11508618825139. The next prime is 11508618825163. The reversal of 11508618825157 is 75152881680511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6047989258756 + 5460629566401 = 2459266^2 + 2336799^2 .

It is a cyclic number.

It is not a de Polignac number, because 11508618825157 - 2¹⁹ = 11508618300869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11508618826157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5754309412578 + 5754309412579.

It is an arithmetic number, because the mean of its divisors is an integer number (5754309412579).

Almost surely, 2^{11508618825157} is an apocalyptic number.

It is an amenable number.

11508618825157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11508618825157 is an equidigital number, since it uses as much as digits as its factorization.

11508618825157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376000, while the sum is 58.

The spelling of 11508618825157 in words is "eleven trillion, five hundred eight billion, six hundred eighteen million, eight hundred twenty-five thousand, one hundred fifty-seven".