10091009105 has 8 divisors (see below), whose sum is σ = 12154228200. Its totient is φ = 8042795776.

The previous prime is 10091009101. The next prime is 10091009111. The reversal of 10091009105 is 50190019001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 745726864 + 9345282241 = 27308^2 + 96671^2 .

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 10091009105 - 2² = 10091009101 is a prime.

It is a super-5 number, since 5×10091009105⁵ (a number of 51 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (10091009101) 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, 3749960 + ... + 3752649.

It is an arithmetic number, because the mean of its divisors is an integer number (1519278525).

Almost surely, 2^10091009105 is an apocalyptic number.

It is an amenable number.

10091009105 is a deficient number, since it is larger than the sum of its proper divisors (2063219095).

10091009105 is an equidigital number, since it uses as much as digits as its factorization.

10091009105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502883.

The product of its (nonzero) digits is 405, while the sum is 26.

The spelling of 10091009105 in words is "ten billion, ninety-one million, nine thousand, one hundred five".