5554106646881 has 16 divisors (see below), whose sum is σ = 6073109538384. Its totient is φ = 5048440556544.

The previous prime is 5554106646863. The next prime is 5554106646889. The reversal of 5554106646881 is 1886466014555.

It can be written as a sum of positive squares in 8 ways, for example, as 1157096067856 + 4397010579025 = 1075684^2 + 2096905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5554106646881 is a prime.

It is a super-2 number, since 2×5554106646881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5554106646881.

It is not an unprimeable number, because it can be changed into a prime (5554106646889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4157246 + ... + 5328311.

It is an arithmetic number, because the mean of its divisors is an integer number (379569346149).

Almost surely, 2^{5554106646881} is an apocalyptic number.

It is an amenable number.

5554106646881 is a deficient number, since it is larger than the sum of its proper divisors (519002891503).

5554106646881 is a wasteful number, since it uses less digits than its factorization.

5554106646881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9486260.

The product of its (nonzero) digits is 27648000, while the sum is 59.

The spelling of 5554106646881 in words is "five trillion, five hundred fifty-four billion, one hundred six million, six hundred forty-six thousand, eight hundred eighty-one".