21150023046403 has 8 divisors (see below), whose sum is σ = 21600165268800. Its totient is φ = 20699886729600.

The previous prime is 21150023046371. The next prime is 21150023046409. The reversal of 21150023046403 is 30464032005112.

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 21150023046403 - 2⁵ = 21150023046371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21150023046409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6180673 + ... + 8972221.

It is an arithmetic number, because the mean of its divisors is an integer number (2700020658600).

Almost surely, 2^{21150023046403} is an apocalyptic number.

21150023046403 is a deficient number, since it is larger than the sum of its proper divisors (450142222397).

21150023046403 is a wasteful number, since it uses less digits than its factorization.

21150023046403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952797.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 21150023046403 in words is "twenty-one trillion, one hundred fifty billion, twenty-three million, forty-six thousand, four hundred three".