11856147854 has 8 divisors (see below), whose sum is σ = 18830352528. Its totient is φ = 5579363680.

The previous prime is 11856147851. The next prime is 11856147911. The reversal of 11856147854 is 45874165811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11856147851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174355082 + ... + 174355149.

It is an arithmetic number, because the mean of its divisors is an integer number (2353794066).

Almost surely, 2^11856147854 is an apocalyptic number.

11856147854 is a deficient number, since it is larger than the sum of its proper divisors (6974204674).

11856147854 is a wasteful number, since it uses less digits than its factorization.

11856147854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348710250.

The product of its digits is 1075200, while the sum is 50.

The spelling of 11856147854 in words is "eleven billion, eight hundred fifty-six million, one hundred forty-seven thousand, eight hundred fifty-four".