315125445651 has 8 divisors (see below), whose sum is σ = 421925283840. Its totient is φ = 209204618952.

The previous prime is 315125445629. The next prime is 315125445653. The reversal of 315125445651 is 156544521513.

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

It is not a de Polignac number, because 315125445651 - 2⁹ = 315125445139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315125445653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219752035 + ... + 219753468.

It is an arithmetic number, because the mean of its divisors is an integer number (52740660480).

Almost surely, 2^315125445651 is an apocalyptic number.

315125445651 is a deficient number, since it is larger than the sum of its proper divisors (106799838189).

315125445651 is a wasteful number, since it uses less digits than its factorization.

315125445651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439505745.

The product of its digits is 360000, while the sum is 42.

The spelling of 315125445651 in words is "three hundred fifteen billion, one hundred twenty-five million, four hundred forty-five thousand, six hundred fifty-one".