11115555101 has 16 divisors (see below), whose sum is σ = 13046762880. Its totient is φ = 9273364800.

The previous prime is 11115555097. The next prime is 11115555107. The reversal of 11115555101 is 10155551111.

11115555101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11115555101 - 2² = 11115555097 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 (11115555107) 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 15 ways as a sum of consecutive naturals, for example, 91526 + ... + 174951.

It is an arithmetic number, because the mean of its divisors is an integer number (815422680).

Almost surely, 2^11115555101 is an apocalyptic number.

It is an amenable number.

11115555101 is a deficient number, since it is larger than the sum of its proper divisors (1931207779).

11115555101 is a wasteful number, since it uses less digits than its factorization.

11115555101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266644.

The product of its (nonzero) digits is 625, while the sum is 26.

The spelling of 11115555101 in words is "eleven billion, one hundred fifteen million, five hundred fifty-five thousand, one hundred one".