11861456308 has 72 divisors (see below), whose sum is σ = 23984009280. Its totient is φ = 5112506880.

The previous prime is 11861456281. The next prime is 11861456311. The reversal of 11861456308 is 80365416811.

It is a congruent number.

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, 1501513 + ... + 1509391.

It is an arithmetic number, because the mean of its divisors is an integer number (333111240).

Almost surely, 2^11861456308 is an apocalyptic number.

It is an amenable number.

11861456308 is an abundant number, since it is smaller than the sum of its proper divisors (12122552972).

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

11861456308 is a wasteful number, since it uses less digits than its factorization.

11861456308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8057 (or 8042 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 11861456308 in words is "eleven billion, eight hundred sixty-one million, four hundred fifty-six thousand, three hundred eight".