10115555005 has 4 divisors (see below), whose sum is σ = 12138666012. Its totient is φ = 8092444000.

The previous prime is 10115554991. The next prime is 10115555029. The reversal of 10115555005 is 50055551101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3038875876 + 7076679129 = 55126^2 + 84123^2 .

It is not a de Polignac number, because 10115555005 - 2¹⁷ = 10115423933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011555496 + ... + 1011555505.

It is an arithmetic number, because the mean of its divisors is an integer number (3034666503).

Almost surely, 2^10115555005 is an apocalyptic number.

It is an amenable number.

10115555005 is a deficient number, since it is larger than the sum of its proper divisors (2023111007).

10115555005 is an equidigital number, since it uses as much as digits as its factorization.

10115555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023111006.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 10115555005 in words is "ten billion, one hundred fifteen million, five hundred fifty-five thousand, five".