11785371650 has 48 divisors (see below), whose sum is σ = 23939592768. Its totient is φ = 4290216000.

The previous prime is 11785371641. The next prime is 11785371671. The reversal of 11785371650 is 5617358711.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81536 + ... + 173835.

It is an arithmetic number, because the mean of its divisors is an integer number (498741516).

Almost surely, 2^11785371650 is an apocalyptic number.

11785371650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11785371650 is an abundant number, since it is smaller than the sum of its proper divisors (12154221118).

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

11785371650 is a wasteful number, since it uses less digits than its factorization.

11785371650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255467 (or 255462 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 11785371650 in words is "eleven billion, seven hundred eighty-five million, three hundred seventy-one thousand, six hundred fifty".