201080913626 has 8 divisors (see below), whose sum is σ = 301752005940. Its totient is φ = 100496911648.

The previous prime is 201080913623. The next prime is 201080913727. The reversal of 201080913626 is 626319080102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 157525641025 + 43555272601 = 396895^2 + 208699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201080913626.

It is not an unprimeable number, because it can be changed into a prime (201080913623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21766811 + ... + 21776046.

Almost surely, 2^201080913626 is an apocalyptic number.

201080913626 is a deficient number, since it is larger than the sum of its proper divisors (100671092314).

201080913626 is a wasteful number, since it uses less digits than its factorization.

201080913626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43545168.

The product of its (nonzero) digits is 31104, while the sum is 38.

Adding to 201080913626 its reverse (626319080102), we get a palindrome (827399993728).

The spelling of 201080913626 in words is "two hundred one billion, eighty million, nine hundred thirteen thousand, six hundred twenty-six".