11775195256 has 16 divisors (see below), whose sum is σ = 24085626840. Its totient is φ = 5352361440.

The previous prime is 11775195247. The next prime is 11775195259. The reversal of 11775195256 is 65259157711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11775195259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66904431 + ... + 66904606.

Almost surely, 2^11775195256 is an apocalyptic number.

It is an amenable number.

11775195256 is an abundant number, since it is smaller than the sum of its proper divisors (12310431584).

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

11775195256 is a wasteful number, since it uses less digits than its factorization.

11775195256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133809054 (or 133809050 counting only the distinct ones).

The product of its digits is 661500, while the sum is 49.

The spelling of 11775195256 in words is "eleven billion, seven hundred seventy-five million, one hundred ninety-five thousand, two hundred fifty-six".