315240445215550 has 12 divisors (see below), whose sum is σ = 586347228101016. Its totient is φ = 126096178086200.

The previous prime is 315240445215547. The next prime is 315240445215667. The reversal of 315240445215550 is 55512544042513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 315240445215550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3152404452106 + ... + 3152404452205.

It is an arithmetic number, because the mean of its divisors is an integer number (48862269008418).

Almost surely, 2^{315240445215550} is an apocalyptic number.

315240445215550 is a deficient number, since it is larger than the sum of its proper divisors (271106782885466).

315240445215550 is a wasteful number, since it uses less digits than its factorization.

315240445215550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304808904323 (or 6304808904318 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 315240445215550 in words is "three hundred fifteen trillion, two hundred forty billion, four hundred forty-five million, two hundred fifteen thousand, five hundred fifty".