8121100895 has 8 divisors (see below), whose sum is σ = 9754512480. Its totient is φ = 6490753120.

The previous prime is 8121100891. The next prime is 8121100901. The reversal of 8121100895 is 5980011218.

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

It is not a de Polignac number, because 8121100895 - 2² = 8121100891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8121100891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760115 + ... + 770724.

It is an arithmetic number, because the mean of its divisors is an integer number (1219314060).

Almost surely, 2^8121100895 is an apocalyptic number.

8121100895 is a deficient number, since it is larger than the sum of its proper divisors (1633411585).

8121100895 is a wasteful number, since it uses less digits than its factorization.

8121100895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531905.

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 8121100895 is about 90117.1509480853. The cubic root of 8121100895 is about 2010.0412435949.

The spelling of 8121100895 in words is "eight billion, one hundred twenty-one million, one hundred thousand, eight hundred ninety-five".