15314522240161 has 2 divisors, whose sum is σ = 15314522240162. Its totient is φ = 15314522240160.

The previous prime is 15314522240159. The next prime is 15314522240221. The reversal of 15314522240161 is 16104222541351.

15314522240161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11397922918561 + 3916599321600 = 3376081^2 + 1979040^2 .

It is a cyclic number.

It is not a de Polignac number, because 15314522240161 - 2¹ = 15314522240159 is a prime.

It is a super-2 number, since 2×15314522240161² (a number of 27 digits) contains 22 as substring.

Together with 15314522240159, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15314522240161.

It is not a weakly prime, because it can be changed into another prime (15314522243161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7657261120080 + 7657261120081.

It is an arithmetic number, because the mean of its divisors is an integer number (7657261120081).

Almost surely, 2^{15314522240161} is an apocalyptic number.

It is an amenable number.

15314522240161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15314522240161 is an equidigital number, since it uses as much as digits as its factorization.

15314522240161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 15314522240161 in words is "fifteen trillion, three hundred fourteen billion, five hundred twenty-two million, two hundred forty thousand, one hundred sixty-one".