15960051161 has 2 divisors, whose sum is σ = 15960051162. Its totient is φ = 15960051160.

The previous prime is 15960051157. The next prime is 15960051221. The reversal of 15960051161 is 16115006951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15956742400 + 3308761 = 126320^2 + 1819^2 .

It is an emirp because it is prime and its reverse (16115006951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15960051161 - 2² = 15960051157 is a prime.

It is not a weakly prime, because it can be changed into another prime (15960051361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7980025580 + 7980025581.

It is an arithmetic number, because the mean of its divisors is an integer number (7980025581).

Almost surely, 2^15960051161 is an apocalyptic number.

It is an amenable number.

15960051161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15960051161 is an equidigital number, since it uses as much as digits as its factorization.

15960051161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 35.

The spelling of 15960051161 in words is "fifteen billion, nine hundred sixty million, fifty-one thousand, one hundred sixty-one".