211432211425 has 12 divisors (see below), whose sum is σ = 265121742060. Its totient is φ = 167245253120.

The previous prime is 211432211423. The next prime is 211432211437. The reversal of 211432211425 is 524112234112.

It is a happy number.

211432211425 is digitally balanced in base 2, 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 6 ways, for example, as 1352989089 + 210079222336 = 36783^2 + 458344^2 .

It is not a de Polignac number, because 211432211425 - 2¹ = 211432211423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211432211393 and 211432211402.

It is not an unprimeable number, because it can be changed into a prime (211432211423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47510632 + ... + 47515081.

It is an arithmetic number, because the mean of its divisors is an integer number (22093478505).

Almost surely, 2^211432211425 is an apocalyptic number.

211432211425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211432211425 is a deficient number, since it is larger than the sum of its proper divisors (53689530635).

211432211425 is an equidigital number, since it uses as much as digits as its factorization.

211432211425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95025812 (or 95025807 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

Adding to 211432211425 its reverse (524112234112), we get a palindrome (735544445537).

The spelling of 211432211425 in words is "two hundred eleven billion, four hundred thirty-two million, two hundred eleven thousand, four hundred twenty-five".