315045406201543 has 4 divisors (see below), whose sum is σ = 321748499950560. Its totient is φ = 308342312452528.

The previous prime is 315045406201523. The next prime is 315045406201553. The reversal of 315045406201543 is 345102604540513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315045406201543 - 2¹³ = 315045406193351 is a prime.

It is a super-4 number, since 4×315045406201543⁴ (a number of 59 digits) contains 4444 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 315045406201543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315045406201523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351546874438 + ... + 3351546874531.

It is an arithmetic number, because the mean of its divisors is an integer number (80437124987640).

Almost surely, 2^{315045406201543} is an apocalyptic number.

315045406201543 is a deficient number, since it is larger than the sum of its proper divisors (6703093749017).

315045406201543 is an equidigital number, since it uses as much as digits as its factorization.

315045406201543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703093749016.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 315045406201543 in words is "three hundred fifteen trillion, forty-five billion, four hundred six million, two hundred one thousand, five hundred forty-three".