1018725738757 has 2 divisors, whose sum is σ = 1018725738758. Its totient is φ = 1018725738756.

The previous prime is 1018725738731. The next prime is 1018725738809. The reversal of 1018725738757 is 7578375278101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 604235710276 + 414490028481 = 777326^2 + 643809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1018725738757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1018725738695 and 1018725738704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1018725738727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509362869378 + 509362869379.

It is an arithmetic number, because the mean of its divisors is an integer number (509362869379).

Almost surely, 2^{1018725738757} is an apocalyptic number.

It is an amenable number.

1018725738757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018725738757 is an equidigital number, since it uses as much as digits as its factorization.

1018725738757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23049600, while the sum is 61.

The spelling of 1018725738757 in words is "one trillion, eighteen billion, seven hundred twenty-five million, seven hundred thirty-eight thousand, seven hundred fifty-seven".