56511562455411 has 8 divisors (see below), whose sum is σ = 86112857074944. Its totient is φ = 32292321403080.

The previous prime is 56511562455307. The next prime is 56511562455461. The reversal of 56511562455411 is 11455426511565.

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

It is not a de Polignac number, because 56511562455411 - 2⁹ = 56511562454899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56511562455461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345513391775 + ... + 1345513391816.

It is an arithmetic number, because the mean of its divisors is an integer number (10764107134368).

Almost surely, 2^{56511562455411} is an apocalyptic number.

56511562455411 is a deficient number, since it is larger than the sum of its proper divisors (29601294619533).

56511562455411 is a wasteful number, since it uses less digits than its factorization.

56511562455411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691026783601.

The product of its digits is 3600000, while the sum is 51.

Adding to 56511562455411 its reverse (11455426511565), we get a palindrome (67966988966976).

The spelling of 56511562455411 in words is "fifty-six trillion, five hundred eleven billion, five hundred sixty-two million, four hundred fifty-five thousand, four hundred eleven".