5660121055 has 8 divisors (see below), whose sum is σ = 6799860144. Its totient is φ = 4522953600.

The previous prime is 5660121041. The next prime is 5660121059. The reversal of 5660121055 is 5501210665.

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

It is not a de Polignac number, because 5660121055 - 2²⁵ = 5626566623 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 (5660121059) 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, 638061 + ... + 646870.

It is an arithmetic number, because the mean of its divisors is an integer number (849982518).

Almost surely, 2^5660121055 is an apocalyptic number.

5660121055 is a deficient number, since it is larger than the sum of its proper divisors (1139739089).

5660121055 is a wasteful number, since it uses less digits than its factorization.

5660121055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285817.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 5660121055 is about 75233.7760251338. The cubic root of 5660121055 is about 1782.1403633617.

The spelling of 5660121055 in words is "five billion, six hundred sixty million, one hundred twenty-one thousand, fifty-five".