113217321535616 has 16 divisors (see below), whose sum is σ = 225550132746990. Its totient is φ = 56608660767744.

The previous prime is 113217321535613. The next prime is 113217321535691. The reversal of 113217321535616 is 616535123712311.

It can be written as a sum of positive squares in only one way, i.e., 112116416958016 + 1100904577600 = 10588504^2 + 1049240^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (113217321535613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442255162121 + ... + 442255162376.

Almost surely, 2^{113217321535616} is an apocalyptic number.

113217321535616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

113217321535616 is a deficient number, since it is larger than the sum of its proper divisors (112332811211374).

113217321535616 is an frugal number, since it uses more digits than its factorization.

113217321535616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884510324511 (or 884510324499 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The spelling of 113217321535616 in words is "one hundred thirteen trillion, two hundred seventeen billion, three hundred twenty-one million, five hundred thirty-five thousand, six hundred sixteen".