11855228162 has 6 divisors (see below), whose sum is σ = 17783073219. Its totient is φ = 5927537090.

The previous prime is 11855228113. The next prime is 11855228221. The reversal of 11855228162 is 26182255811.

It can be written as a sum of positive squares in only one way, i.e., 5927614081 + 5927614081 = 76991^2 + 76991^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=76991.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 115487 + ... + 192477.

Almost surely, 2^11855228162 is an apocalyptic number.

11855228162 is a deficient number, since it is larger than the sum of its proper divisors (5927845057).

11855228162 is an frugal number, since it uses more digits than its factorization.

11855228162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153984 (or 76993 counting only the distinct ones).

The product of its digits is 76800, while the sum is 41.

The spelling of 11855228162 in words is "eleven billion, eight hundred fifty-five million, two hundred twenty-eight thousand, one hundred sixty-two".