11403410403 has 32 divisors (see below), whose sum is σ = 19133521920. Its totient is φ = 5868473760.

The previous prime is 11403410321. The next prime is 11403410407. The reversal of 11403410403 is 30401430411.

It is not a de Polignac number, because 11403410403 - 2⁸ = 11403410147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11403410403.

It is not an unprimeable number, because it can be changed into a prime (11403410407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205963 + ... + 255396.

It is an arithmetic number, because the mean of its divisors is an integer number (597922560).

Almost surely, 2^11403410403 is an apocalyptic number.

11403410403 is a deficient number, since it is larger than the sum of its proper divisors (7730111517).

11403410403 is a wasteful number, since it uses less digits than its factorization.

11403410403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461487.

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

Adding to 11403410403 its reverse (30401430411), we get a palindrome (41804840814).

The spelling of 11403410403 in words is "eleven billion, four hundred three million, four hundred ten thousand, four hundred three".