1516151000401 has 2 divisors, whose sum is σ = 1516151000402. Its totient is φ = 1516151000400.

The previous prime is 1516151000389. The next prime is 1516151000417. The reversal of 1516151000401 is 1040001516151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039879865025 + 476271135376 = 1019745^2 + 690124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516151000401 - 2⁵ = 1516151000369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1516151000471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758075500200 + 758075500201.

It is an arithmetic number, because the mean of its divisors is an integer number (758075500201).

Almost surely, 2^{1516151000401} is an apocalyptic number.

It is an amenable number.

1516151000401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516151000401 is an equidigital number, since it uses as much as digits as its factorization.

1516151000401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 1516151000401 its reverse (1040001516151), we get a palindrome (2556152516552).

The spelling of 1516151000401 in words is "one trillion, five hundred sixteen billion, one hundred fifty-one million, four hundred one", and thus it is an aban number.