15432654161 has 2 divisors, whose sum is σ = 15432654162. Its totient is φ = 15432654160.

The previous prime is 15432654101. The next prime is 15432654173. The reversal of 15432654161 is 16145623451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10932793600 + 4499860561 = 104560^2 + 67081^2 .

It is an emirp because it is prime and its reverse (16145623451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15432654161 - 2¹⁴ = 15432637777 is a prime.

It is a super-2 number, since 2×15432654161² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15432654101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7716327080 + 7716327081.

It is an arithmetic number, because the mean of its divisors is an integer number (7716327081).

Almost surely, 2^15432654161 is an apocalyptic number.

It is an amenable number.

15432654161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15432654161 is an equidigital number, since it uses as much as digits as its factorization.

15432654161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The spelling of 15432654161 in words is "fifteen billion, four hundred thirty-two million, six hundred fifty-four thousand, one hundred sixty-one".