11745751725 has 18 divisors (see below), whose sum is σ = 21037946826. Its totient is φ = 6264400800.

The previous prime is 11745751669. The next prime is 11745751753. The reversal of 11745751725 is 52715754711.

11745751725 is a `hidden beast` number, since 1 + 1 + 7 + 4 + 575 + 1 + 72 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1629817641 + 10115934084 = 40371^2 + 100578^2 .

It is not a de Polignac number, because 11745751725 - 2¹⁴ = 11745735341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26101446 + ... + 26101895.

Almost surely, 2^11745751725 is an apocalyptic number.

11745751725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11745751725 is a deficient number, since it is larger than the sum of its proper divisors (9292195101).

11745751725 is a wasteful number, since it uses less digits than its factorization.

11745751725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52203357 (or 52203349 counting only the distinct ones).

The product of its digits is 343000, while the sum is 45.

The spelling of 11745751725 in words is "eleven billion, seven hundred forty-five million, seven hundred fifty-one thousand, seven hundred twenty-five".