211065435542 has 16 divisors (see below), whose sum is σ = 341193898080. Its totient is φ = 97345661952.

The previous prime is 211065435521. The next prime is 211065435551. The reversal of 211065435542 is 245534560112.

It is a junction number, because it is equal to n+sod(n) for n = 211065435496 and 211065435505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2844098 + ... + 2917365.

It is an arithmetic number, because the mean of its divisors is an integer number (21324618630).

Almost surely, 2^211065435542 is an apocalyptic number.

211065435542 is a deficient number, since it is larger than the sum of its proper divisors (130128462538).

211065435542 is a wasteful number, since it uses less digits than its factorization.

211065435542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762887.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 211065435542 its reverse (245534560112), we get a palindrome (456599995654).

The spelling of 211065435542 in words is "two hundred eleven billion, sixty-five million, four hundred thirty-five thousand, five hundred forty-two".