6481936125 has 96 divisors (see below), whose sum is σ = 13543276032. Its totient is φ = 2921184000.

The previous prime is 6481936121. The next prime is 6481936141. The reversal of 6481936125 is 5216391846.

6481936125 is a `hidden beast` number, since 6 + 481 + 93 + 61 + 25 = 666.

6481936125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6481936125 - 2² = 6481936121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481936121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 553329 + ... + 564921.

It is an arithmetic number, because the mean of its divisors is an integer number (141075792).

Almost surely, 2^6481936125 is an apocalyptic number.

It is an amenable number.

6481936125 is an abundant number, since it is smaller than the sum of its proper divisors (7061339907).

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

6481936125 is a wasteful number, since it uses less digits than its factorization.

6481936125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11692 (or 11679 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 6481936125 is about 80510.4721449328. The cubic root of 6481936125 is about 1864.5251638030.

The spelling of 6481936125 in words is "six billion, four hundred eighty-one million, nine hundred thirty-six thousand, one hundred twenty-five".