315045240242666 has 16 divisors (see below), whose sum is σ = 474318926911368. Its totient is φ = 156939095174400.

The previous prime is 315045240242597. The next prime is 315045240242671. The reversal of 315045240242666 is 666242042540513.

It can be written as a sum of positive squares in 4 ways, for example, as 286647755955625 + 28397484287041 = 16930675^2 + 5328929^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37127345 + ... + 44816628.

Almost surely, 2^{315045240242666} is an apocalyptic number.

315045240242666 is a deficient number, since it is larger than the sum of its proper divisors (159273686668702).

315045240242666 is a wasteful number, since it uses less digits than its factorization.

315045240242666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81951097.

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 315045240242666 in words is "three hundred fifteen trillion, forty-five billion, two hundred forty million, two hundred forty-two thousand, six hundred sixty-six".