211406425064 has 16 divisors (see below), whose sum is σ = 396603561120. Its totient is φ = 105645475440.

The previous prime is 211406425049. The next prime is 211406425091. The reversal of 211406425064 is 460524604112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7201574 + ... + 7230869.

It is an arithmetic number, because the mean of its divisors is an integer number (24787722570).

Almost surely, 2^211406425064 is an apocalyptic number.

It is an amenable number.

211406425064 is a deficient number, since it is larger than the sum of its proper divisors (185197136056).

211406425064 is a wasteful number, since it uses less digits than its factorization.

211406425064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14434280 (or 14434276 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 211406425064 in words is "two hundred eleven billion, four hundred six million, four hundred twenty-five thousand, sixty-four".