11305403475 has 48 divisors (see below), whose sum is σ = 18914598912. Its totient is φ = 5958005760.

The previous prime is 11305403449. The next prime is 11305403491. The reversal of 11305403475 is 57430450311.

It is not a de Polignac number, because 11305403475 - 2¹¹ = 11305401427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2502819 + ... + 2507331.

It is an arithmetic number, because the mean of its divisors is an integer number (394054144).

Almost surely, 2^11305403475 is an apocalyptic number.

11305403475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11305403475 is a deficient number, since it is larger than the sum of its proper divisors (7609195437).

11305403475 is a wasteful number, since it uses less digits than its factorization.

11305403475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916 (or 4911 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 11305403475 its reverse (57430450311), we get a palindrome (68735853786).

The spelling of 11305403475 in words is "eleven billion, three hundred five million, four hundred three thousand, four hundred seventy-five".