116520566845 has 8 divisors (see below), whose sum is σ = 143235038520. Its totient is φ = 90942881280.

The previous prime is 116520566837. The next prime is 116520566863. The reversal of 116520566845 is 548665025611.

It can be written as a sum of positive squares in 4 ways, for example, as 448846596 + 116071720249 = 21186^2 + 340693^2 .

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

It is not a de Polignac number, because 116520566845 - 2³ = 116520566837 is a prime.

It is a super-2 number, since 2×116520566845² (a number of 23 digits) contains 22 as substring.

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, 284196300 + ... + 284196709.

It is an arithmetic number, because the mean of its divisors is an integer number (17904379815).

Almost surely, 2^116520566845 is an apocalyptic number.

It is an amenable number.

116520566845 is a deficient number, since it is larger than the sum of its proper divisors (26714471675).

116520566845 is an equidigital number, since it uses as much as digits as its factorization.

116520566845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568393055.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 116520566845 in words is "one hundred sixteen billion, five hundred twenty million, five hundred sixty-six thousand, eight hundred forty-five".