11405406103 has 32 divisors (see below), whose sum is σ = 14448268800. Its totient is φ = 8761011840.

The previous prime is 11405406101. The next prime is 11405406109. The reversal of 11405406103 is 30160450411.

It is not a de Polignac number, because 11405406103 - 2¹ = 11405406101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405406101) 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, 1649748 + ... + 1656646.

It is an arithmetic number, because the mean of its divisors is an integer number (451508400).

Almost surely, 2^11405406103 is an apocalyptic number.

11405406103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11405406103 is a deficient number, since it is larger than the sum of its proper divisors (3042862697).

11405406103 is a wasteful number, since it uses less digits than its factorization.

11405406103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11405406103 its reverse (30160450411), we get a palindrome (41565856514).

The spelling of 11405406103 in words is "eleven billion, four hundred five million, four hundred six thousand, one hundred three".