315551115144643 has 16 divisors (see below), whose sum is σ = 376310073807360. Its totient is φ = 258712255302336.

The previous prime is 315551115144593. The next prime is 315551115144649. The reversal of 315551115144643 is 346441511155513.

It is a cyclic number.

It is not a de Polignac number, because 315551115144643 - 2⁹ = 315551115144131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315551115144649) 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, 112034623 + ... + 114816631.

It is an arithmetic number, because the mean of its divisors is an integer number (23519379612960).

Almost surely, 2^{315551115144643} is an apocalyptic number.

315551115144643 is a deficient number, since it is larger than the sum of its proper divisors (60758958662717).

315551115144643 is a wasteful number, since it uses less digits than its factorization.

315551115144643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486546.

The product of its digits is 2160000, while the sum is 49.

The spelling of 315551115144643 in words is "three hundred fifteen trillion, five hundred fifty-one billion, one hundred fifteen million, one hundred forty-four thousand, six hundred forty-three".