5541662661455 has 8 divisors (see below), whose sum is σ = 6651851200512. Its totient is φ = 4432092791328.

The previous prime is 5541662661407. The next prime is 5541662661523.

5541662661455 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5541662661455 - 2²⁴ = 5541645884239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5541662661455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154647524 + ... + 154683353.

It is an arithmetic number, because the mean of its divisors is an integer number (831481400064).

Almost surely, 2^{5541662661455} is an apocalyptic number.

5541662661455 is a deficient number, since it is larger than the sum of its proper divisors (1110188539057).

5541662661455 is a wasteful number, since it uses less digits than its factorization.

5541662661455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309334465.

The product of its digits is 25920000, while the sum is 56.

The spelling of 5541662661455 in words is "five trillion, five hundred forty-one billion, six hundred sixty-two million, six hundred sixty-one thousand, four hundred fifty-five".