209011252119068 has 48 divisors (see below), whose sum is σ = 427200851616000. Its totient is φ = 89440322978160.

The previous prime is 209011252118939. The next prime is 209011252119071. The reversal of 209011252119068 is 860911252110902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114680498 + ... + 116488793.

It is an arithmetic number, because the mean of its divisors is an integer number (8900017742000).

Almost surely, 2^{209011252119068} is an apocalyptic number.

209011252119068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

209011252119068 is an abundant number, since it is smaller than the sum of its proper divisors (218189599496932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209011252119068 is a wasteful number, since it uses less digits than its factorization.

209011252119068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231169975 (or 231169959 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 47.

The spelling of 209011252119068 in words is "two hundred nine trillion, eleven billion, two hundred fifty-two million, one hundred nineteen thousand, sixty-eight".