21400411312003 has 8 divisors (see below), whose sum is σ = 22000327585040. Its totient is φ = 20801628027360.

The previous prime is 21400411311991. The next prime is 21400411312009. The reversal of 21400411312003 is 30021311400412.

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 21400411312003 - 2⁴¹ = 19201388056451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21400411312009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283208793 + ... + 283284346.

It is an arithmetic number, because the mean of its divisors is an integer number (2750040948130).

Almost surely, 2^{21400411312003} is an apocalyptic number.

21400411312003 is a deficient number, since it is larger than the sum of its proper divisors (599916273037).

21400411312003 is a wasteful number, since it uses less digits than its factorization.

21400411312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566494197.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21400411312003 its reverse (30021311400412), we get a palindrome (51421722712415).

The spelling of 21400411312003 in words is "twenty-one trillion, four hundred billion, four hundred eleven million, three hundred twelve thousand, three".