11405345025 has 24 divisors (see below), whose sum is σ = 18879416640. Its totient is φ = 6075567040.

The previous prime is 11405344997. The next prime is 11405345089. The reversal of 11405345025 is 52054350411.

It is not a de Polignac number, because 11405345025 - 2⁹ = 11405344513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11405344983 and 11405345001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27702 + ... + 153551.

It is an arithmetic number, because the mean of its divisors is an integer number (786642360).

Almost surely, 2^11405345025 is an apocalyptic number.

11405345025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11405345025 is a deficient number, since it is larger than the sum of its proper divisors (7474071615).

11405345025 is a wasteful number, since it uses less digits than its factorization.

11405345025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182105 (or 182100 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 11405345025 its reverse (52054350411), we get a palindrome (63459695436).

The spelling of 11405345025 in words is "eleven billion, four hundred five million, three hundred forty-five thousand, twenty-five".