1004255315641 has 2 divisors, whose sum is σ = 1004255315642. Its totient is φ = 1004255315640.

The previous prime is 1004255315629. The next prime is 1004255315671. The reversal of 1004255315641 is 1465135524001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 768427560000 + 235827755641 = 876600^2 + 485621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004255315641 - 2²¹ = 1004253218489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1004255315641.

It is not a weakly prime, because it can be changed into another prime (1004255315621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502127657820 + 502127657821.

It is an arithmetic number, because the mean of its divisors is an integer number (502127657821).

Almost surely, 2^{1004255315641} is an apocalyptic number.

It is an amenable number.

1004255315641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004255315641 is an equidigital number, since it uses as much as digits as its factorization.

1004255315641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 1004255315641 in words is "one trillion, four billion, two hundred fifty-five million, three hundred fifteen thousand, six hundred forty-one".