315014211545443 has 16 divisors (see below), whose sum is σ = 332266308537600. Its totient is φ = 297829428642720.

The previous prime is 315014211545413. The next prime is 315014211545447. The reversal of 315014211545443 is 344545112410513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315014211545443 is a prime.

It is a super-2 number, since 2×315014211545443² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315014211545443.

It is not an unprimeable number, because it can be changed into a prime (315014211545447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153630480 + ... + 155667442.

It is an arithmetic number, because the mean of its divisors is an integer number (20766644283600).

Almost surely, 2^{315014211545443} is an apocalyptic number.

315014211545443 is a deficient number, since it is larger than the sum of its proper divisors (17252096992157).

315014211545443 is a wasteful number, since it uses less digits than its factorization.

315014211545443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053482.

The product of its (nonzero) digits is 576000, while the sum is 43.

Adding to 315014211545443 its reverse (344545112410513), we get a palindrome (659559323955956).

The spelling of 315014211545443 in words is "three hundred fifteen trillion, fourteen billion, two hundred eleven million, five hundred forty-five thousand, four hundred forty-three".