211533051146 has 16 divisors (see below), whose sum is σ = 320263480680. Its totient is φ = 104778878400.

The previous prime is 211533051113. The next prime is 211533051181. The reversal of 211533051146 is 641150335112.

It can be written as a sum of positive squares in 4 ways, for example, as 210125976025 + 1407075121 = 458395^2 + 37511^2 .

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, 1296620 + ... + 1450616.

Almost surely, 2^211533051146 is an apocalyptic number.

211533051146 is a deficient number, since it is larger than the sum of its proper divisors (108730429534).

211533051146 is a wasteful number, since it uses less digits than its factorization.

211533051146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160409.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 211533051146 its reverse (641150335112), we get a palindrome (852683386258).

The spelling of 211533051146 in words is "two hundred eleven billion, five hundred thirty-three million, fifty-one thousand, one hundred forty-six".