15363525161 has 2 divisors, whose sum is σ = 15363525162. Its totient is φ = 15363525160.

The previous prime is 15363525157. The next prime is 15363525173. The reversal of 15363525161 is 16152536351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14478105625 + 885419536 = 120325^2 + 29756^2 .

It is a cyclic number.

It is not a de Polignac number, because 15363525161 - 2² = 15363525157 is a prime.

It is not a weakly prime, because it can be changed into another prime (15363525131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7681762580 + 7681762581.

It is an arithmetic number, because the mean of its divisors is an integer number (7681762581).

Almost surely, 2^15363525161 is an apocalyptic number.

It is an amenable number.

15363525161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15363525161 is an equidigital number, since it uses as much as digits as its factorization.

15363525161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The spelling of 15363525161 in words is "fifteen billion, three hundred sixty-three million, five hundred twenty-five thousand, one hundred sixty-one".