209125190957104 has 40 divisors (see below), whose sum is σ = 411423102070992. Its totient is φ = 102956318115840.

The previous prime is 209125190957099. The next prime is 209125190957129. The reversal of 209125190957104 is 401759091521902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150273262 + ... + 151658509.

Almost surely, 2^{209125190957104} is an apocalyptic number.

It is an amenable number.

209125190957104 is a deficient number, since it is larger than the sum of its proper divisors (202297911113888).

209125190957104 is a wasteful number, since it uses less digits than its factorization.

209125190957104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301932445 (or 301932439 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 55.

The spelling of 209125190957104 in words is "two hundred nine trillion, one hundred twenty-five billion, one hundred ninety million, nine hundred fifty-seven thousand, one hundred four".