5525216890105 has 72 divisors (see below), whose sum is σ = 7471240389144. Its totient is φ = 3919524111360.

The previous prime is 5525216890073. The next prime is 5525216890157. The reversal of 5525216890105 is 5010986125255.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 85351038201 + 5439865851904 = 292149^2 + 2332352^2 .

It is not a de Polignac number, because 5525216890105 - 2⁵ = 5525216890073 is a prime.

It is a super-2 number, since 2×5525216890105² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 293994589 + ... + 294013381.

It is an arithmetic number, because the mean of its divisors is an integer number (103767227627).

Almost surely, 2^{5525216890105} is an apocalyptic number.

5525216890105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5525216890105 is a deficient number, since it is larger than the sum of its proper divisors (1946023499039).

5525216890105 is a wasteful number, since it uses less digits than its factorization.

5525216890105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19099 (or 19035 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 49.

The spelling of 5525216890105 in words is "five trillion, five hundred twenty-five billion, two hundred sixteen million, eight hundred ninety thousand, one hundred five".