315861121067 has 4 divisors (see below), whose sum is σ = 315866764800. Its totient is φ = 315855477336.

The previous prime is 315861121063. The next prime is 315861121087. The reversal of 315861121067 is 760121168513.

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 315861121067 - 2² = 315861121063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315861121063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737067 + ... + 2850132.

It is an arithmetic number, because the mean of its divisors is an integer number (78966691200).

Almost surely, 2^315861121067 is an apocalyptic number.

315861121067 is a deficient number, since it is larger than the sum of its proper divisors (5643733).

315861121067 is an equidigital number, since it uses as much as digits as its factorization.

315861121067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643732.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 315861121067 in words is "three hundred fifteen billion, eight hundred sixty-one million, one hundred twenty-one thousand, sixty-seven".