11431111113403 has 16 divisors (see below), whose sum is σ = 11491336400544. Its totient is φ = 11371065753600.

The previous prime is 11431111113349. The next prime is 11431111113451. The reversal of 11431111113403 is 30431111113411.

11431111113403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11431111113403 - 2⁹ = 11431111112891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11431111113473) 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, 337612251 + ... + 337646107.

It is an arithmetic number, because the mean of its divisors is an integer number (718208525034).

Almost surely, 2^{11431111113403} is an apocalyptic number.

11431111113403 is a deficient number, since it is larger than the sum of its proper divisors (60225287141).

11431111113403 is a wasteful number, since it uses less digits than its factorization.

11431111113403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36462.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 11431111113403 its reverse (30431111113411), we get a palindrome (41862222226814).

The spelling of 11431111113403 in words is "eleven trillion, four hundred thirty-one billion, one hundred eleven million, one hundred thirteen thousand, four hundred three".