5055005415661 has 8 divisors (see below), whose sum is σ = 5075903606904. Its totient is φ = 5034116751360.

The previous prime is 5055005415643. The next prime is 5055005415673. The reversal of 5055005415661 is 1665145005505.

It can be written as a sum of positive squares in 4 ways, for example, as 3299563260900 + 1755442154761 = 1816470^2 + 1324931^2 .

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 5055005415661 - 2³¹ = 5052857932013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5055005415641) 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, 1317360 + ... + 3441721.

It is an arithmetic number, because the mean of its divisors is an integer number (634487950863).

Almost surely, 2^{5055005415661} is an apocalyptic number.

It is an amenable number.

5055005415661 is a deficient number, since it is larger than the sum of its proper divisors (20898191243).

5055005415661 is a wasteful number, since it uses less digits than its factorization.

5055005415661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4763471.

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 5055005415661 in words is "five trillion, fifty-five billion, five million, four hundred fifteen thousand, six hundred sixty-one".