315024099961 has 2 divisors, whose sum is σ = 315024099962. Its totient is φ = 315024099960.

The previous prime is 315024099941. The next prime is 315024099983. The reversal of 315024099961 is 169990420513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240669717561 + 74354382400 = 490581^2 + 272680^2 .

It is an emirp because it is prime and its reverse (169990420513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315024099961 is a prime.

It is not a weakly prime, because it can be changed into another prime (315024099911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157512049980 + 157512049981.

It is an arithmetic number, because the mean of its divisors is an integer number (157512049981).

Almost surely, 2^315024099961 is an apocalyptic number.

It is an amenable number.

315024099961 is a deficient number, since it is larger than the sum of its proper divisors (1).

315024099961 is an equidigital number, since it uses as much as digits as its factorization.

315024099961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 315024099961 in words is "three hundred fifteen billion, twenty-four million, ninety-nine thousand, nine hundred sixty-one".