5561458541655 has 16 divisors (see below), whose sum is σ = 9138829172064. Its totient is φ = 2885946053760.

The previous prime is 5561458541633. The next prime is 5561458541687.

It is a happy number.

5561458541655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5561458541655 - 2⁶ = 5561458541591 is a prime.

It is a super-2 number, since 2×5561458541655² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5010322456 + ... + 5010323565.

It is an arithmetic number, because the mean of its divisors is an integer number (571176823254).

Almost surely, 2^{5561458541655} is an apocalyptic number.

5561458541655 is a deficient number, since it is larger than the sum of its proper divisors (3577370630409).

5561458541655 is a wasteful number, since it uses less digits than its factorization.

5561458541655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020646066.

The product of its digits is 72000000, while the sum is 60.

The spelling of 5561458541655 in words is "five trillion, five hundred sixty-one billion, four hundred fifty-eight million, five hundred forty-one thousand, six hundred fifty-five".