21113024494 has 8 divisors (see below), whose sum is σ = 31670157888. Its totient is φ = 10556305200.

The previous prime is 21113024453. The next prime is 21113024503. The reversal of 21113024494 is 49442031112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123594 + ... + 239794.

It is an arithmetic number, because the mean of its divisors is an integer number (3958769736).

Almost surely, 2^21113024494 is an apocalyptic number.

21113024494 is a deficient number, since it is larger than the sum of its proper divisors (10557133394).

21113024494 is a wasteful number, since it uses less digits than its factorization.

21113024494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207050.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 21113024494 in words is "twenty-one billion, one hundred thirteen million, twenty-four thousand, four hundred ninety-four".