5205646419551 has 8 divisors (see below), whose sum is σ = 5233621316880. Its totient is φ = 5177737579968.

The previous prime is 5205646419509. The next prime is 5205646419593. The reversal of 5205646419551 is 1559146465025.

It is a happy number.

5205646419551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5205646419509) and next prime (5205646419593).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5205646419551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5205646419493 and 5205646419502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205646418551) 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, 16356401 + ... + 16671626.

It is an arithmetic number, because the mean of its divisors is an integer number (654202664610).

Almost surely, 2^{5205646419551} is an apocalyptic number.

5205646419551 is a deficient number, since it is larger than the sum of its proper divisors (27974897329).

5205646419551 is a wasteful number, since it uses less digits than its factorization.

5205646419551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33028873.

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 5205646419551 in words is "five trillion, two hundred five billion, six hundred forty-six million, four hundred nineteen thousand, five hundred fifty-one".