5516661486121 has 8 divisors (see below), whose sum is σ = 5625269028288. Its totient is φ = 5408912502000.

The previous prime is 5516661486109. The next prime is 5516661486143. The reversal of 5516661486121 is 1216841666155.

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 5516661486121 - 2⁹ = 5516661485609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5516661483121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 214626535 + ... + 214652236.

It is an arithmetic number, because the mean of its divisors is an integer number (703158628536).

Almost surely, 2^{5516661486121} is an apocalyptic number.

It is an amenable number.

5516661486121 is a deficient number, since it is larger than the sum of its proper divisors (108607542167).

5516661486121 is a wasteful number, since it uses less digits than its factorization.

5516661486121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429279023.

The product of its digits is 2073600, while the sum is 52.

The spelling of 5516661486121 in words is "five trillion, five hundred sixteen billion, six hundred sixty-one million, four hundred eighty-six thousand, one hundred twenty-one".