5521544412145 has 8 divisors (see below), whose sum is σ = 6625876115304. Its totient is φ = 4417220315904.

The previous prime is 5521544412113. The next prime is 5521544412157. The reversal of 5521544412145 is 5412144451255.

It can be written as a sum of positive squares in 4 ways, for example, as 2038875563664 + 3482668848481 = 1427892^2 + 1866191^2 .

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 5521544412145 - 2⁵ = 5521544412113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159784 + ... + 3326953.

It is an arithmetic number, because the mean of its divisors is an integer number (828234514413).

Almost surely, 2^{5521544412145} is an apocalyptic number.

It is an amenable number.

5521544412145 is a deficient number, since it is larger than the sum of its proper divisors (1104331703159).

5521544412145 is a wasteful number, since it uses less digits than its factorization.

5521544412145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803459.

The product of its digits is 640000, while the sum is 43.

The spelling of 5521544412145 in words is "five trillion, five hundred twenty-one billion, five hundred forty-four million, four hundred twelve thousand, one hundred forty-five".