11405352135503 has 6 divisors (see below), whose sum is σ = 11721936053016. Its totient is φ = 11097099373752.

The previous prime is 11405352135497. The next prime is 11405352135509. The reversal of 11405352135503 is 30553125350411.

It is an interprime number because it is at equal distance from previous prime (11405352135497) and next prime (11405352135509).

It is not a de Polignac number, because 11405352135503 - 2⁴ = 11405352135487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405352135509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4165576475 + ... + 4165579212.

It is an arithmetic number, because the mean of its divisors is an integer number (1953656008836).

Almost surely, 2^{11405352135503} is an apocalyptic number.

11405352135503 is a deficient number, since it is larger than the sum of its proper divisors (316583917513).

11405352135503 is an frugal number, since it uses more digits than its factorization.

11405352135503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331155761 (or 8331155724 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 11405352135503 its reverse (30553125350411), we get a palindrome (41958477485914).

The spelling of 11405352135503 in words is "eleven trillion, four hundred five billion, three hundred fifty-two million, one hundred thirty-five thousand, five hundred three".