21114455039 has 8 divisors (see below), whose sum is σ = 22960711728. Its totient is φ = 19335335040.

The previous prime is 21114455023. The next prime is 21114455041. The reversal of 21114455039 is 93055441112.

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

It is a cyclic number.

It is not a de Polignac number, because 21114455039 - 2⁴ = 21114455023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114455059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16783517 + ... + 16784774.

It is an arithmetic number, because the mean of its divisors is an integer number (2870088966).

Almost surely, 2^21114455039 is an apocalyptic number.

21114455039 is a deficient number, since it is larger than the sum of its proper divisors (1846256689).

21114455039 is a wasteful number, since it uses less digits than its factorization.

21114455039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33568345.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 21114455039 in words is "twenty-one billion, one hundred fourteen million, four hundred fifty-five thousand, thirty-nine".