8125481097 has 24 divisors (see below), whose sum is σ = 11843478504. Its totient is φ = 5367896064.

The previous prime is 8125481059. The next prime is 8125481107. The reversal of 8125481097 is 7901845218.

8125481097 is a `hidden beast` number, since 8 + 1 + 2 + 548 + 10 + 97 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 148133241 + 7977347856 = 12171^2 + 89316^2 .

It is not a de Polignac number, because 8125481097 - 2¹¹ = 8125479049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8125481057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 725613 + ... + 736725.

It is an arithmetic number, because the mean of its divisors is an integer number (493478271).

Almost surely, 2^8125481097 is an apocalyptic number.

It is an amenable number.

8125481097 is a deficient number, since it is larger than the sum of its proper divisors (3717997407).

8125481097 is a wasteful number, since it uses less digits than its factorization.

8125481097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11849 (or 11846 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 8125481097 is about 90141.4504931000. The cubic root of 8125481097 is about 2010.4025576724.

The spelling of 8125481097 in words is "eight billion, one hundred twenty-five million, four hundred eighty-one thousand, ninety-seven".