10010105555501 has 8 divisors (see below), whose sum is σ = 10165447979064. Its totient is φ = 9855255502080.

The previous prime is 10010105555491. The next prime is 10010105555509. The reversal of 10010105555501 is 10555550101001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 404878962601 + 9605226592900 = 636301^2 + 3099230^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10010105555501 is a prime.

It is a super-2 number, since 2×10010105555501² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010105555509) 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, 123051560 + ... + 123132881.

It is an arithmetic number, because the mean of its divisors is an integer number (1270680997383).

Almost surely, 2^{10010105555501} is an apocalyptic number.

It is an amenable number.

10010105555501 is a deficient number, since it is larger than the sum of its proper divisors (155342423563).

10010105555501 is an equidigital number, since it uses as much as digits as its factorization.

10010105555501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246185071.

The product of its (nonzero) digits is 3125, while the sum is 29.

Adding to 10010105555501 its reverse (10555550101001), we get a palindrome (20565655656502).

The spelling of 10010105555501 in words is "ten trillion, ten billion, one hundred five million, five hundred fifty-five thousand, five hundred one".