11125322504505 has 48 divisors (see below), whose sum is σ = 21060798722496. Its totient is φ = 5387986719360.

The previous prime is 11125322504497. The next prime is 11125322504533. The reversal of 11125322504505 is 50540522352111.

11125322504505 is a `hidden beast` number, since 1 + 1 + 125 + 3 + 2 + 25 + 0 + 4 + 505 = 666.

It is not a de Polignac number, because 11125322504505 - 2³ = 11125322504497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11125322504505.

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, 12289642 + ... + 13163811.

It is an arithmetic number, because the mean of its divisors is an integer number (438766640052).

Almost surely, 2^{11125322504505} is an apocalyptic number.

11125322504505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11125322504505 is a deficient number, since it is larger than the sum of its proper divisors (9935476217991).

11125322504505 is a wasteful number, since it uses less digits than its factorization.

11125322504505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25454358 (or 25454355 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 11125322504505 its reverse (50540522352111), we get a palindrome (61665844856616).

The spelling of 11125322504505 in words is "eleven trillion, one hundred twenty-five billion, three hundred twenty-two million, five hundred four thousand, five hundred five".