211601063156 has 18 divisors (see below), whose sum is σ = 430759307538. Its totient is φ = 90686169840.

The previous prime is 211601063119. The next prime is 211601063249. The reversal of 211601063156 is 651360106112.

211601063156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 184655840656 + 26945222500 = 429716^2 + 164150^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 539798435 + ... + 539798826.

It is an arithmetic number, because the mean of its divisors is an integer number (23931072641).

Almost surely, 2^211601063156 is an apocalyptic number.

It is an amenable number.

211601063156 is an abundant number, since it is smaller than the sum of its proper divisors (219158244382).

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

211601063156 is a wasteful number, since it uses less digits than its factorization.

211601063156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079597279 (or 1079597270 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 211601063156 its reverse (651360106112), we get a palindrome (862961169268).

The spelling of 211601063156 in words is "two hundred eleven billion, six hundred one million, sixty-three thousand, one hundred fifty-six".