2415555161 has 2 divisors, whose sum is σ = 2415555162. Its totient is φ = 2415555160.

The previous prime is 2415555137. The next prime is 2415555169. The reversal of 2415555161 is 1615555142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1364563600 + 1050991561 = 36940^2 + 32419^2 .

It is a cyclic number.

It is not a de Polignac number, because 2415555161 - 2¹⁴ = 2415538777 is a prime.

It is a super-3 number, since 3×2415555161³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2415555169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207777580 + 1207777581.

It is an arithmetic number, because the mean of its divisors is an integer number (1207777581).

Almost surely, 2^2415555161 is an apocalyptic number.

It is an amenable number.

2415555161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2415555161 is an equidigital number, since it uses as much as digits as its factorization.

2415555161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30000, while the sum is 35.

The square root of 2415555161 is about 49148.2976409153. The cubic root of 2415555161 is about 1341.7522115605.

The spelling of 2415555161 in words is "two billion, four hundred fifteen million, five hundred fifty-five thousand, one hundred sixty-one".