56155100516666 has 8 divisors (see below), whose sum is σ = 85613513902644. Its totient is φ = 27617262549120.

The previous prime is 56155100516609. The next prime is 56155100516689. The reversal of 56155100516666 is 66661500155165.

It can be written as a sum of positive squares in 2 ways, for example, as 54492019460641 + 1663081056025 = 7381871^2 + 1289605^2 .

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 230143854455 + ... + 230143854698.

Almost surely, 2^{56155100516666} is an apocalyptic number.

56155100516666 is a deficient number, since it is larger than the sum of its proper divisors (29458413385978).

56155100516666 is a wasteful number, since it uses less digits than its factorization.

56155100516666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460287709216.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 56155100516666 in words is "fifty-six trillion, one hundred fifty-five billion, one hundred million, five hundred sixteen thousand, six hundred sixty-six".