11155110101 has 16 divisors (see below), whose sum is σ = 12060576000. Its totient is φ = 10285849728.

The previous prime is 11155110089. The next prime is 11155110103. The reversal of 11155110101 is 10101155111.

It is a cyclic number.

It is not a de Polignac number, because 11155110101 - 2⁶ = 11155110037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11155110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155110103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418625 + ... + 444473.

It is an arithmetic number, because the mean of its divisors is an integer number (753786000).

Almost surely, 2^11155110101 is an apocalyptic number.

It is an amenable number.

11155110101 is a deficient number, since it is larger than the sum of its proper divisors (905465899).

11155110101 is a wasteful number, since it uses less digits than its factorization.

11155110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26548.

The product of its (nonzero) digits is 25, while the sum is 17.

Adding to 11155110101 its reverse (10101155111), we get a palindrome (21256265212).

The spelling of 11155110101 in words is "eleven billion, one hundred fifty-five million, one hundred ten thousand, one hundred one".