618852541001 has 2 divisors, whose sum is σ = 618852541002. Its totient is φ = 618852541000.

The previous prime is 618852540989. The next prime is 618852541019. The reversal of 618852541001 is 100145258816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618204787600 + 647753401 = 786260^2 + 25451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-618852541001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 618852541001.

It is not a weakly prime, because it can be changed into another prime (618852541031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309426270500 + 309426270501.

It is an arithmetic number, because the mean of its divisors is an integer number (309426270501).

Almost surely, 2^618852541001 is an apocalyptic number.

It is an amenable number.

618852541001 is a deficient number, since it is larger than the sum of its proper divisors (1).

618852541001 is an equidigital number, since it uses as much as digits as its factorization.

618852541001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 41.

Adding to 618852541001 its reverse (100145258816), we get a palindrome (718997799817).

The spelling of 618852541001 in words is "six hundred eighteen billion, eight hundred fifty-two million, five hundred forty-one thousand, one".