201100006506 has 16 divisors (see below), whose sum is σ = 459657157824. Its totient is φ = 57457144704.

The previous prime is 201100006493. The next prime is 201100006529. The reversal of 201100006506 is 605600001102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394047655 + ... + 2394047738.

It is an arithmetic number, because the mean of its divisors is an integer number (28728572364).

Almost surely, 2^201100006506 is an apocalyptic number.

201100006506 is an abundant number, since it is smaller than the sum of its proper divisors (258557151318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201100006506 is a wasteful number, since it uses less digits than its factorization.

201100006506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788095405.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 201100006506 its reverse (605600001102), we get a palindrome (806700007608).

The spelling of 201100006506 in words is "two hundred one billion, one hundred million, six thousand, five hundred six".