5661456356455 has 16 divisors (see below), whose sum is σ = 6842793000960. Its totient is φ = 4496469784992.

The previous prime is 5661456356429. The next prime is 5661456356459. The reversal of 5661456356455 is 5546536541665.

5661456356455 is digitally balanced in base 3, 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 5661456356455 - 2⁹ = 5661456355943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5661456356393 and 5661456356402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661456356459) 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, 38712882 + ... + 38858848.

It is an arithmetic number, because the mean of its divisors is an integer number (427674562560).

Almost surely, 2^{5661456356455} is an apocalyptic number.

5661456356455 is a deficient number, since it is larger than the sum of its proper divisors (1181336644505).

5661456356455 is a wasteful number, since it uses less digits than its factorization.

5661456356455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201918.

The product of its digits is 194400000, while the sum is 61.

The spelling of 5661456356455 in words is "five trillion, six hundred sixty-one billion, four hundred fifty-six million, three hundred fifty-six thousand, four hundred fifty-five".