211434513325 has 24 divisors (see below), whose sum is σ = 303242966208. Its totient is φ = 143236865280.

The previous prime is 211434513319. The next prime is 211434513337. The reversal of 211434513325 is 523315434112.

It is not a de Polignac number, because 211434513325 - 2³ = 211434513317 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, 7263772 + ... + 7292821.

It is an arithmetic number, because the mean of its divisors is an integer number (12635123592).

Almost surely, 2^211434513325 is an apocalyptic number.

211434513325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211434513325 is a deficient number, since it is larger than the sum of its proper divisors (91808452883).

211434513325 is a wasteful number, since it uses less digits than its factorization.

211434513325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14556693 (or 14556688 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

Adding to 211434513325 its reverse (523315434112), we get a palindrome (734749947437).

The spelling of 211434513325 in words is "two hundred eleven billion, four hundred thirty-four million, five hundred thirteen thousand, three hundred twenty-five".