11055155111001 has 12 divisors (see below), whose sum is σ = 16400140015012. Its totient is φ = 7170911423136.

The previous prime is 11055155110969. The next prime is 11055155111009. The reversal of 11055155111001 is 10011155155011.

11055155111001 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 5 + 1 + 551 + 1 + 100 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4589552120976 + 6465602990025 = 2142324^2 + 2542755^2 .

It is not a de Polignac number, because 11055155111001 - 2⁵ = 11055155110969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055155111009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16599331666 + ... + 16599332331.

Almost surely, 2^{11055155111001} is an apocalyptic number.

It is an amenable number.

11055155111001 is a deficient number, since it is larger than the sum of its proper divisors (5344984904011).

11055155111001 is a wasteful number, since it uses less digits than its factorization.

11055155111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33198664040 (or 33198664037 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 27.

The spelling of 11055155111001 in words is "eleven trillion, fifty-five billion, one hundred fifty-five million, one hundred eleven thousand, one".