211475635912 has 8 divisors (see below), whose sum is σ = 396516817350. Its totient is φ = 105737817952.

The previous prime is 211475635909. The next prime is 211475635919. The reversal of 211475635912 is 219536574112.

It can be written as a sum of positive squares in only one way, i.e., 159205788036 + 52269847876 = 399006^2 + 228626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (211475635919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13217227237 + ... + 13217227252.

Almost surely, 2^211475635912 is an apocalyptic number.

It is an amenable number.

211475635912 is a deficient number, since it is larger than the sum of its proper divisors (185041181438).

211475635912 is a wasteful number, since it uses less digits than its factorization.

211475635912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26434454495 (or 26434454491 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The spelling of 211475635912 in words is "two hundred eleven billion, four hundred seventy-five million, six hundred thirty-five thousand, nine hundred twelve".