315553266513321 has 8 divisors (see below), whose sum is σ = 435245884846080. Its totient is φ = 203114746261392.

The previous prime is 315553266513283. The next prime is 315553266513337. The reversal of 315553266513321 is 123315662355513.

It is a happy number.

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

It is not a de Polignac number, because 315553266513321 - 2¹⁹ = 315553265989033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315553266511321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813524520105 + ... + 1813524520278.

It is an arithmetic number, because the mean of its divisors is an integer number (54405735605760).

Almost surely, 2^{315553266513321} is an apocalyptic number.

It is an amenable number.

315553266513321 is a deficient number, since it is larger than the sum of its proper divisors (119692618332759).

315553266513321 is a wasteful number, since it uses less digits than its factorization.

315553266513321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627049040415.

The product of its digits is 7290000, while the sum is 51.

The spelling of 315553266513321 in words is "three hundred fifteen trillion, five hundred fifty-three billion, two hundred sixty-six million, five hundred thirteen thousand, three hundred twenty-one".