15534530161 has 2 divisors, whose sum is σ = 15534530162. Its totient is φ = 15534530160.

The previous prime is 15534530111. The next prime is 15534530183. The reversal of 15534530161 is 16103543551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13186158561 + 2348371600 = 114831^2 + 48460^2 .

It is a cyclic number.

It is not a de Polignac number, because 15534530161 - 2¹⁵ = 15534497393 is a prime.

It is not a weakly prime, because it can be changed into another prime (15534530111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7767265080 + 7767265081.

It is an arithmetic number, because the mean of its divisors is an integer number (7767265081).

Almost surely, 2^15534530161 is an apocalyptic number.

It is an amenable number.

15534530161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15534530161 is an equidigital number, since it uses as much as digits as its factorization.

15534530161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 15534530161 in words is "fifteen billion, five hundred thirty-four million, five hundred thirty thousand, one hundred sixty-one".