315543384612427 has 4 divisors (see below), whose sum is σ = 315543421933056. Its totient is φ = 315543347291800.

The previous prime is 315543384612397. The next prime is 315543384612451. The reversal of 315543384612427 is 724216483345513.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315543384612427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315543384612487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757302 + ... + 25132852.

It is an arithmetic number, because the mean of its divisors is an integer number (78885855483264).

Almost surely, 2^{315543384612427} is an apocalyptic number.

315543384612427 is a deficient number, since it is larger than the sum of its proper divisors (37320629).

315543384612427 is a wasteful number, since it uses less digits than its factorization.

315543384612427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37320628.

The product of its digits is 58060800, while the sum is 58.

The spelling of 315543384612427 in words is "three hundred fifteen trillion, five hundred forty-three billion, three hundred eighty-four million, six hundred twelve thousand, four hundred twenty-seven".