10115115655 has 4 divisors (see below), whose sum is σ = 12138138792. Its totient is φ = 8092092520.

The previous prime is 10115115653. The next prime is 10115115683. The reversal of 10115115655 is 55651151101.

10115115655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10115115655 - 2¹ = 10115115653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115115653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011511561 + ... + 1011511570.

It is an arithmetic number, because the mean of its divisors is an integer number (3034534698).

Almost surely, 2^10115115655 is an apocalyptic number.

10115115655 is a deficient number, since it is larger than the sum of its proper divisors (2023023137).

10115115655 is an equidigital number, since it uses as much as digits as its factorization.

10115115655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023023136.

The product of its (nonzero) digits is 3750, while the sum is 31.

Adding to 10115115655 its reverse (55651151101), we get a palindrome (65766266756).

The spelling of 10115115655 in words is "ten billion, one hundred fifteen million, one hundred fifteen thousand, six hundred fifty-five".