2011786117368 has 48 divisors (see below), whose sum is σ = 5138752135080. Its totient is φ = 656327368512.

The previous prime is 2011786117351. The next prime is 2011786117381. The reversal of 2011786117368 is 8637116871102.

It is a super-2 number, since 2×2011786117368² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011786117368.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18920371 + ... + 19026402.

Almost surely, 2^{2011786117368} is an apocalyptic number.

It is an amenable number.

2011786117368 is an abundant number, since it is smaller than the sum of its proper divisors (3126966017712).

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

2011786117368 is a wasteful number, since it uses less digits than its factorization.

2011786117368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37946876 (or 37946825 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 51.

The spelling of 2011786117368 in words is "two trillion, eleven billion, seven hundred eighty-six million, one hundred seventeen thousand, three hundred sixty-eight".