11431405135 has 4 divisors (see below), whose sum is σ = 13717686168. Its totient is φ = 9145124104.

The previous prime is 11431405121. The next prime is 11431405147. The reversal of 11431405135 is 53150413411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11431405135 - 2⁵ = 11431405103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143140509 + ... + 1143140518.

It is an arithmetic number, because the mean of its divisors is an integer number (3429421542).

Almost surely, 2^11431405135 is an apocalyptic number.

11431405135 is a deficient number, since it is larger than the sum of its proper divisors (2286281033).

11431405135 is an equidigital number, since it uses as much as digits as its factorization.

11431405135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286281032.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 11431405135 its reverse (53150413411), we get a palindrome (64581818546).

The spelling of 11431405135 in words is "eleven billion, four hundred thirty-one million, four hundred five thousand, one hundred thirty-five".