455366352561 has 16 divisors (see below), whose sum is σ = 642948280128. Its totient is φ = 285685337600.

The previous prime is 455366352517. The next prime is 455366352613. The reversal of 455366352561 is 165253663554.

455366352561 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 455366352561 - 2³⁸ = 180488445617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (455366352361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115620 + ... + 961301.

It is an arithmetic number, because the mean of its divisors is an integer number (40184267508).

Almost surely, 2^455366352561 is an apocalyptic number.

It is an amenable number.

455366352561 is a deficient number, since it is larger than the sum of its proper divisors (187581927567).

455366352561 is a wasteful number, since it uses less digits than its factorization.

455366352561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085232.

The product of its digits is 9720000, while the sum is 51.

It can be divided in two parts, 45536635 and 2561, that added together give a triangular number (45539196 = T₉₅₄₃).

The spelling of 455366352561 in words is "four hundred fifty-five billion, three hundred sixty-six million, three hundred fifty-two thousand, five hundred sixty-one".