3125663194375 has 20 divisors (see below), whose sum is σ = 3914645843592. Its totient is φ = 2494885796000.

The previous prime is 3125663194337. The next prime is 3125663194391. The reversal of 3125663194375 is 5734913665213.

It is a happy number.

It is not a de Polignac number, because 3125663194375 - 2¹⁹ = 3125662670087 is a prime.

It is a Duffinian number.

It is a congruent 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, 5367664 + ... + 5921413.

Almost surely, 2^{3125663194375} is an apocalyptic number.

3125663194375 is a deficient number, since it is larger than the sum of its proper divisors (788982649217).

3125663194375 is an equidigital number, since it uses as much as digits as its factorization.

3125663194375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289540 (or 11289525 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 55.

The spelling of 3125663194375 in words is "three trillion, one hundred twenty-five billion, six hundred sixty-three million, one hundred ninety-four thousand, three hundred seventy-five".