11504993825 has 24 divisors (see below), whose sum is σ = 15893383800. Its totient is φ = 8203023360.

The previous prime is 11504993813. The next prime is 11504993833. The reversal of 11504993825 is 52839940511.

It can be written as a sum of positive squares in 12 ways, for example, as 3015767056 + 8489226769 = 54916^2 + 92137^2 .

It is not a de Polignac number, because 11504993825 - 2¹⁰ = 11504992801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11504993825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600920 + ... + 619769.

It is an arithmetic number, because the mean of its divisors is an integer number (662224325).

Almost surely, 2^11504993825 is an apocalyptic number.

It is an amenable number.

11504993825 is a deficient number, since it is larger than the sum of its proper divisors (4388389975).

11504993825 is a wasteful number, since it uses less digits than its factorization.

11504993825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220741 (or 1220736 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 11504993825 in words is "eleven billion, five hundred four million, nine hundred ninety-three thousand, eight hundred twenty-five".