11106505065501 has 64 divisors (see below), whose sum is σ = 17346485145600. Its totient is φ = 7009474836672.

The previous prime is 11106505065493. The next prime is 11106505065503. The reversal of 11106505065501 is 10556050560111.

It is a happy number.

11106505065501 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 6 + 50 + 50 + 6 + 550 + 1 = 666.

It is not a de Polignac number, because 11106505065501 - 2³ = 11106505065493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11106505065503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109261966 + ... + 109363568.

It is an arithmetic number, because the mean of its divisors is an integer number (271038830400).

Almost surely, 2^{11106505065501} is an apocalyptic number.

It is an amenable number.

11106505065501 is a deficient number, since it is larger than the sum of its proper divisors (6239980080099).

11106505065501 is a wasteful number, since it uses less digits than its factorization.

11106505065501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103447 (or 103441 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 11106505065501 in words is "eleven trillion, one hundred six billion, five hundred five million, sixty-five thousand, five hundred one".