21175075014 has 32 divisors (see below), whose sum is σ = 42724813824. Its totient is φ = 6996044640.

The previous prime is 21175074941. The next prime is 21175075039. The reversal of 21175075014 is 41057057112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654667 + ... + 686249.

It is an arithmetic number, because the mean of its divisors is an integer number (1335150432).

Almost surely, 2^21175075014 is an apocalyptic number.

21175075014 is an abundant number, since it is smaller than the sum of its proper divisors (21549738810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21175075014 is a wasteful number, since it uses less digits than its factorization.

21175075014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32572.

The product of its (nonzero) digits is 9800, while the sum is 33.

The spelling of 21175075014 in words is "twenty-one billion, one hundred seventy-five million, seventy-five thousand, fourteen".