8289112661154 has 48 divisors (see below), whose sum is σ = 19345505941944. Its totient is φ = 2549936678400.

The previous prime is 8289112661153. The next prime is 8289112661183. The reversal of 8289112661154 is 4511662119828.

8289112661154 is a `hidden beast` number, since 8 + 2 + 8 + 9 + 1 + 12 + 6 + 611 + 5 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4610875817025 + 3678236844129 = 2147295^2 + 1917873^2 .

It is a super-2 number, since 2×8289112661154² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8289112661154.

It is not an unprimeable number, because it can be changed into a prime (8289112661153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2816037 + ... + 4950584.

Almost surely, 2^{8289112661154} is an apocalyptic number.

8289112661154 is an abundant number, since it is smaller than the sum of its proper divisors (11056393280790).

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

8289112661154 is a wasteful number, since it uses less digits than its factorization.

8289112661154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771203 (or 7771200 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 54.

The spelling of 8289112661154 in words is "eight trillion, two hundred eighty-nine billion, one hundred twelve million, six hundred sixty-one thousand, one hundred fifty-four".