1018727825042 has 8 divisors (see below), whose sum is σ = 1528469149500. Its totient is φ = 509238108544.

The previous prime is 1018727825021. The next prime is 1018727825047. The reversal of 1018727825042 is 2405287278101.

It can be written as a sum of positive squares in 2 ways, for example, as 848570750041 + 170157075001 = 921179^2 + 412501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1018727825047) 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, 62891867 + ... + 62908062.

Almost surely, 2^{1018727825042} is an apocalyptic number.

1018727825042 is a deficient number, since it is larger than the sum of its proper divisors (509741324458).

1018727825042 is a wasteful number, since it uses less digits than its factorization.

1018727825042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125803980.

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 1018727825042 in words is "one trillion, eighteen billion, seven hundred twenty-seven million, eight hundred twenty-five thousand, forty-two".