8154532844885 has 16 divisors (see below), whose sum is σ = 11291935639296. Its totient is φ = 5537391510528.

The previous prime is 8154532844881. The next prime is 8154532844981. The reversal of 8154532844885 is 5884482354518.

It is a cyclic number.

It is not a de Polignac number, because 8154532844885 - 2² = 8154532844881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8154532844881) 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, 1130999564 + ... + 1131006773.

It is an arithmetic number, because the mean of its divisors is an integer number (705745977456).

Almost surely, 2^{8154532844885} is an apocalyptic number.

It is an amenable number.

8154532844885 is a deficient number, since it is larger than the sum of its proper divisors (3137402794411).

8154532844885 is a wasteful number, since it uses less digits than its factorization.

8154532844885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262006452.

The product of its digits is 196608000, while the sum is 65.

The spelling of 8154532844885 in words is "eight trillion, one hundred fifty-four billion, five hundred thirty-two million, eight hundred forty-four thousand, eight hundred eighty-five".