21514524524 has 48 divisors (see below), whose sum is σ = 41250854400. Its totient is φ = 9779144256.

The previous prime is 21514524517. The next prime is 21514524533. The reversal of 21514524524 is 42542541512.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 329309 + ... + 389195.

It is an arithmetic number, because the mean of its divisors is an integer number (859392800).

Almost surely, 2^21514524524 is an apocalyptic number.

It is an amenable number.

21514524524 is a deficient number, since it is larger than the sum of its proper divisors (19736329876).

21514524524 is a wasteful number, since it uses less digits than its factorization.

21514524524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60102 (or 60100 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

The spelling of 21514524524 in words is "twenty-one billion, five hundred fourteen million, five hundred twenty-four thousand, five hundred twenty-four".