211404106051 has 4 divisors (see below), whose sum is σ = 211487634504. Its totient is φ = 211320577600.

The previous prime is 211404106007. The next prime is 211404106153. The reversal of 211404106051 is 150601404112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211404106051 - 2⁷ = 211404105923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211404106751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41760430 + ... + 41765491.

It is an arithmetic number, because the mean of its divisors is an integer number (52871908626).

Almost surely, 2^211404106051 is an apocalyptic number.

211404106051 is a deficient number, since it is larger than the sum of its proper divisors (83528453).

211404106051 is an equidigital number, since it uses as much as digits as its factorization.

211404106051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83528452.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 211404106051 in words is "two hundred eleven billion, four hundred four million, one hundred six thousand, fifty-one".