211404040604 has 6 divisors (see below), whose sum is σ = 369957071064. Its totient is φ = 105702020300.

The previous prime is 211404040543. The next prime is 211404040637. The reversal of 211404040604 is 406040404112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26425505072 + ... + 26425505079.

It is an arithmetic number, because the mean of its divisors is an integer number (61659511844).

Almost surely, 2^211404040604 is an apocalyptic number.

It is an amenable number.

211404040604 is a deficient number, since it is larger than the sum of its proper divisors (158553030460).

211404040604 is a wasteful number, since it uses less digits than its factorization.

211404040604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52851010155 (or 52851010153 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211404040604 its reverse (406040404112), we get a palindrome (617444444716).

The spelling of 211404040604 in words is "two hundred eleven billion, four hundred four million, forty thousand, six hundred four".