21141032403 has 16 divisors (see below), whose sum is σ = 28273939200. Its totient is φ = 14051109600.

The previous prime is 21141032317. The next prime is 21141032411. The reversal of 21141032403 is 30423014112.

It is not a de Polignac number, because 21141032403 - 2¹⁶ = 21140966867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21141032403.

It is not an unprimeable number, because it can be changed into a prime (21141031403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4267578 + ... + 4272528.

It is an arithmetic number, because the mean of its divisors is an integer number (1767121200).

Almost surely, 2^21141032403 is an apocalyptic number.

21141032403 is a deficient number, since it is larger than the sum of its proper divisors (7132906797).

21141032403 is a wasteful number, since it uses less digits than its factorization.

21141032403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21141032403 its reverse (30423014112), we get a palindrome (51564046515).

The spelling of 21141032403 in words is "twenty-one billion, one hundred forty-one million, thirty-two thousand, four hundred three".