1018768118741 has 4 divisors (see below), whose sum is σ = 1053898053900. Its totient is φ = 983638183584.

The previous prime is 1018768118717. The next prime is 1018768118779. The reversal of 1018768118741 is 1478118678101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 478800338116 + 539967780625 = 691954^2 + 734825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1018768118741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018768118441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17564967536 + ... + 17564967593.

It is an arithmetic number, because the mean of its divisors is an integer number (263474513475).

Almost surely, 2^{1018768118741} is an apocalyptic number.

It is an amenable number.

1018768118741 is a deficient number, since it is larger than the sum of its proper divisors (35129935159).

1018768118741 is an equidigital number, since it uses as much as digits as its factorization.

1018768118741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35129935158.

The product of its (nonzero) digits is 602112, while the sum is 53.

The spelling of 1018768118741 in words is "one trillion, eighteen billion, seven hundred sixty-eight million, one hundred eighteen thousand, seven hundred forty-one".