11866316355 has 24 divisors (see below), whose sum is σ = 20574133632. Its totient is φ = 6326901504.

The previous prime is 11866316347. The next prime is 11866316393. The reversal of 11866316355 is 55361366811.

11866316355 is a `hidden beast` number, since 1 + 1 + 8 + 6 + 6 + 3 + 1 + 635 + 5 = 666.

It is not a de Polignac number, because 11866316355 - 2³ = 11866316347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11866316355.

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, 130702 + ... + 202028.

It is an arithmetic number, because the mean of its divisors is an integer number (857255568).

Almost surely, 2^11866316355 is an apocalyptic number.

11866316355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11866316355 is a deficient number, since it is larger than the sum of its proper divisors (8707817277).

11866316355 is a wasteful number, since it uses less digits than its factorization.

11866316355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75035 (or 75032 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 11866316355 in words is "eleven billion, eight hundred sixty-six million, three hundred sixteen thousand, three hundred fifty-five".