11866370054 has 24 divisors (see below), whose sum is σ = 22359774864. Its totient is φ = 4623260400.

The previous prime is 11866370053. The next prime is 11866370063. The reversal of 11866370054 is 45007366811.

It is a junction number, because it is equal to n+sod(n) for n = 11866369993 and 11866370020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11866370051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3500777 + ... + 3504164.

It is an arithmetic number, because the mean of its divisors is an integer number (931657286).

Almost surely, 2^11866370054 is an apocalyptic number.

11866370054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11866370054 is a deficient number, since it is larger than the sum of its proper divisors (10493404810).

11866370054 is a wasteful number, since it uses less digits than its factorization.

11866370054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004972 (or 7004961 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 11866370054 in words is "eleven billion, eight hundred sixty-six million, three hundred seventy thousand, fifty-four".