11858886216 has 64 divisors (see below), whose sum is σ = 33642259200. Its totient is φ = 3868853184.

The previous prime is 11858886211. The next prime is 11858886253. The reversal of 11858886216 is 61268885811.

11858886216 is a `hidden beast` number, since 1 + 1 + 8 + 5 + 8 + 8 + 8 + 621 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (11858886211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573915 + ... + 594218.

It is an arithmetic number, because the mean of its divisors is an integer number (525660300).

Almost surely, 2^11858886216 is an apocalyptic number.

It is an amenable number.

11858886216 is an abundant number, since it is smaller than the sum of its proper divisors (21783372984).

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

11858886216 is a wasteful number, since it uses less digits than its factorization.

11858886216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168195 (or 1168185 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 54.

The spelling of 11858886216 in words is "eleven billion, eight hundred fifty-eight million, eight hundred eighty-six thousand, two hundred sixteen".