6125311645 has 32 divisors (see below), whose sum is σ = 7762003200. Its totient is φ = 4635456000.

The previous prime is 6125311639. The next prime is 6125311679. The reversal of 6125311645 is 5461135216.

It is not a de Polignac number, because 6125311645 - 2⁹ = 6125311133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6125311645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884406 + ... + 891304.

It is an arithmetic number, because the mean of its divisors is an integer number (242562600).

Almost surely, 2^6125311645 is an apocalyptic number.

It is an amenable number.

6125311645 is a deficient number, since it is larger than the sum of its proper divisors (1636691555).

6125311645 is a wasteful number, since it uses less digits than its factorization.

6125311645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077.

The product of its digits is 21600, while the sum is 34.

The square root of 6125311645 is about 78264.3702140380. The cubic root of 6125311645 is about 1829.6838858955.

The spelling of 6125311645 in words is "six billion, one hundred twenty-five million, three hundred eleven thousand, six hundred forty-five".