11868593780 has 12 divisors (see below), whose sum is σ = 24924046980. Its totient is φ = 4747437504.

The previous prime is 11868593761. The next prime is 11868593801. The reversal of 11868593780 is 8739586811.

It can be written as a sum of positive squares in 2 ways, for example, as 6542221456 + 5326372324 = 80884^2 + 72982^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296714825 + ... + 296714864.

It is an arithmetic number, because the mean of its divisors is an integer number (2077003915).

Almost surely, 2^11868593780 is an apocalyptic number.

11868593780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11868593780 is an abundant number, since it is smaller than the sum of its proper divisors (13055453200).

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

11868593780 is a wasteful number, since it uses less digits than its factorization.

11868593780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593429698 (or 593429696 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 11868593780 in words is "eleven billion, eight hundred sixty-eight million, five hundred ninety-three thousand, seven hundred eighty".