211330155325 has 24 divisors (see below), whose sum is σ = 268476120000. Its totient is φ = 164927602560.

The previous prime is 211330155299. The next prime is 211330155349. The reversal of 211330155325 is 523551033112.

It is not a de Polignac number, because 211330155325 - 2¹¹ = 211330153277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 748176 + ... + 991174.

It is an arithmetic number, because the mean of its divisors is an integer number (11186505000).

Almost surely, 2^211330155325 is an apocalyptic number.

211330155325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211330155325 is a deficient number, since it is larger than the sum of its proper divisors (57145964675).

211330155325 is a wasteful number, since it uses less digits than its factorization.

211330155325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243861 (or 243856 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 211330155325 its reverse (523551033112), we get a palindrome (734881188437).

The spelling of 211330155325 in words is "two hundred eleven billion, three hundred thirty million, one hundred fifty-five thousand, three hundred twenty-five".