11775055625 has 20 divisors (see below), whose sum is σ = 14722128036. Its totient is φ = 9414912000.

The previous prime is 11775055619. The next prime is 11775055637. The reversal of 11775055625 is 52655057711.

It can be written as a sum of positive squares in 10 ways, for example, as 11595843856 + 179211769 = 107684^2 + 13387^2 .

It is not a de Polignac number, because 11775055625 - 2⁶ = 11775055561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1491689 + ... + 1499561.

Almost surely, 2^11775055625 is an apocalyptic number.

It is an amenable number.

11775055625 is a deficient number, since it is larger than the sum of its proper divisors (2947072411).

11775055625 is an frugal number, since it uses more digits than its factorization.

11775055625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10286 (or 10271 counting only the distinct ones).

The product of its (nonzero) digits is 367500, while the sum is 44.

The spelling of 11775055625 in words is "eleven billion, seven hundred seventy-five million, fifty-five thousand, six hundred twenty-five".