455000542561 has 2 divisors, whose sum is σ = 455000542562. Its totient is φ = 455000542560.

The previous prime is 455000542547. The next prime is 455000542589. The reversal of 455000542561 is 165245000554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396572467600 + 58428074961 = 629740^2 + 241719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455000542561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455000542561.

It is not a weakly prime, because it can be changed into another prime (455000542531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227500271280 + 227500271281.

It is an arithmetic number, because the mean of its divisors is an integer number (227500271281).

Almost surely, 2^455000542561 is an apocalyptic number.

It is an amenable number.

455000542561 is a deficient number, since it is larger than the sum of its proper divisors (1).

455000542561 is an equidigital number, since it uses as much as digits as its factorization.

455000542561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 455000542561 in words is "four hundred fifty-five billion, five hundred forty-two thousand, five hundred sixty-one".