315121201015 has 8 divisors (see below), whose sum is σ = 378148609440. Its totient is φ = 252094848672.

The previous prime is 315121201001. The next prime is 315121201027. The reversal of 315121201015 is 510102121513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315121201015 - 2¹⁷ = 315121069943 is a prime.

It is a congruent number.

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, 738517 + ... + 1084273.

It is an arithmetic number, because the mean of its divisors is an integer number (47268576180).

Almost surely, 2^315121201015 is an apocalyptic number.

315121201015 is a deficient number, since it is larger than the sum of its proper divisors (63027408425).

315121201015 is a wasteful number, since it uses less digits than its factorization.

315121201015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528041.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 315121201015 its reverse (510102121513), we get a palindrome (825223322528).

The spelling of 315121201015 in words is "three hundred fifteen billion, one hundred twenty-one million, two hundred one thousand, fifteen".